| 单词 | pigmentation |
| 例句 | I would merely change my pigmentation and allow people to draw their own conclusions. Black Like Me 1961-01-01T00:00:00Z It usually took from six weeks to three months to darken the skin pigmentation. Black Like Me 1961-01-01T00:00:00Z The Negro’s only salvation from complete despair lies in his belief, the old belief of his forefathers, that these things are not directed against him personally, but against his race, his pigmentation. Black Like Me 1961-01-01T00:00:00Z In addition I had my medicines and a month’s supply of the pigmentation capsules. Black Like Me 1961-01-01T00:00:00Z I assess superficial hydration, then measure skin elasticity, pigmentation and sebum. | Dr. Philippe Allouche on the Bio-Lift Facial 2012-12-20T22:35:38Z More than 90 percent of the mostly white patients had no scarring or pigmentation issues. Making Age Spots a Thing of the Past 2018-01-23T05:00:00Z “There should be more large-scale studies looking at this because pigmentation is one of the biggest patient concerns and the one where treatment creates less patient satisfaction.” What Is All of That Screen Time Doing to Your Skin? 2020-05-20T04:00:00Z “There is something about the pigmentation in Types 4, 5 and 6 that reacts differently than in patients with fair skin,” Dr. Avram said. What Is All of That Screen Time Doing to Your Skin? 2020-05-20T04:00:00Z F. It is honoring Native Americans by referring to them as if they were entirely defined by skin pigmentation. Post Hunt 2015: Opening questions 2015-05-27T04:00:00Z Consequently, the institution started acquiring more artifacts with the remains of pigmentation. That Painted Greek Maiden at the Met: Just Whose Vision Is She? 2022-08-17T04:00:00Z It is a terrific film, a study in race and identity and the arbitrary nature of pigmentation. Lupita Nyong’o: ‘Under the makeup, Star Wars is just human wants and desires’ 2015-12-12T05:00:00Z It also, according to its website, “may cause increased brown pigmentation of the colored part of the eye which is likely permanent.” | Lashing Out 2014-02-17T18:00:53Z And conventional US poultry is often grown on feed that contains arsenic, which the FDA says is used to control parasites, promote weight gain and feed efficiency and improve “pigmentation.” Federal government is letting us eat metal shards, pink slime 2013-05-17T14:45:00Z Instead it is achieved by breeding to increase the red pigmentation in the layers of bract cells. Reinventing the poinsettia: A classic Christmas flower’s colorful new looks 2017-12-05T05:00:00Z A true multi-tasker, it protects the skin from UV light and free-radical damage, and blocks production of abnormal pigmentation, he said. Hyperpigmentation is a common skin problem. Here’s what you can do about it. 2021-06-20T04:00:00Z The characters are defined by the essence of who they are, not by the pigmentation of their skin. Where are the TV roles for black British female actors? 2013-07-18T11:09:20Z Ms. Aina suggests a shimmery gloss that allows natural pigmentation to show through. Does the Perfect ‘MLBB’ Lipstick Exist? 2021-06-19T04:00:00Z Wenyi Wei, an assistant professor at Harvard University and also a specialist in the genetics of skin cancer, said: “Increasing skin pigmentation as a natural barrier of UV exposure is a great idea.” Scientists create real ‘fake’ tan chemical which could protect against skin cancer 2017-06-13T04:00:00Z The morphing could have been a result of the pigmentation ailment, vitiligo, that he told Winfrey he suffered from. Michael Jackson Cast a Spell. ‘Leaving Neverland’ Breaks It. 2019-02-28T05:00:00Z With the pigmentation of youth wiped off their faces, they still look dark, bird-like, bleached angels ready to fly to God, or the Evil One?” Review: ‘The Yid,’ Paul Goldberg’s First Novel, Taunts Stalin 2016-01-20T05:00:00Z Makeup artists praise the brand for its intense pigmentation and professional innovative formulas. Skin Deep: A Vegan With a Dark Side 2013-05-29T21:27:58Z Her previous work was mostly obsidian, but now has added variegated pigmentation and objects such as hair bows and beads that give the paintings more visual voltage. What to See in N.Y.C. Galleries in August 2023-08-03T04:00:00Z Not content to don makeup, he undergoes a surgical procedure to darken his pigmentation all over his body. Fifteen years later "Tropic Thunder" is a flawed comedy that we're still trying to agree on 2023-08-19T04:00:00Z In our society, skin pigmentation is the greatest marker that sets us apart from one another. Owning my mixed-race identity: Why I don’t have to choose sides 2014-03-12T23:00:00Z But darker skin tends to have more trouble with pigmentation and scarring after, say, cryotherapy. Making Age Spots a Thing of the Past 2018-01-23T05:00:00Z He told the crowd he would play his three singles and maybe a hit from another singer, but that "I ain't got time to talk about pigmentation all night." Items from Charley Pride's life set for museum 2012-10-02T20:38:11Z Bruises, sun spots, freckles and other pigmentation all become apparent. Should You Get a Scary UV Photo of Your Skin Damage? 2019-08-16T04:00:00Z Marble tends to glow from behind the painted surface while other materials tend to absorb pigmentation. That Painted Greek Maiden at the Met: Just Whose Vision Is She? 2022-08-17T04:00:00Z Astaxanthin in farmed fish feeds is not only for pigmentation, but is also a necessary nutrient for health and reproduction in fish. The color of farmed salmon comes from adding an antioxidant to their feed 2023-03-17T04:00:00Z The sand gets its unusual pigmentation from tiny, single-cell organisms that grow on the undersides of nearby coral ledges. She’d always dreamed of riding a scooter around Bermuda. Then she tried it. 2020-01-02T05:00:00Z The members of both groups received treatment based on that one arbitrary quality, the pigmentation of their irises. The Return of Jane Elliott 2020-07-15T04:00:00Z “I have seen that the world is to the strong regardless of a little pigmentation more or less.” In Zora Neale Hurston’s Essays, the Nonfiction of a Nonconformist 2022-01-10T05:00:00Z People with the congenital condition, which causes a lack of pigmentation in the skin, hair and eyes, are often ostracized. Burkina Faso TV star inspiring fellow albinos to excel without fear or shame 2020-03-02T05:00:00Z Its pigmentation is dense, saturated, making a lichen-coated rock or a scrap of oxidised metal softly luminous. Elegy for the Polaroid 2010-05-29T23:05:00Z A big component is the color pigmentation, and the shape of the lipstick is unique, which is also an extra cost. Skin Deep: Designer Lipsticks, a New Splurge - Skin Deep 2011-11-09T17:29:08Z When a child looks different from her family members due to that pigmentation, her inheritance is questioned. Owning my mixed-race identity: Why I don’t have to choose sides 2014-03-12T23:00:00Z To judge and appraise someone solely on the basis of arbitrary and nonmoral attributes such as skin pigmentation and so-called racial identity is not only irrational and nonsensical it is evil. Jamaican, gay and Ayn Rand made it OK: My amazing “Atlas Shrugged” love story 2014-04-25T23:00:00Z Close up of my skin showing spots, scars and pigmentation. Dermatillomania: meet the people who can’t stop skin picking 2019-02-04T05:00:00Z But before Wilmore ever said a word there was a happy and unspoken symbolism at work, sparked by his mere presence—which is to say: pigmentation—alongside the President. The Sweet Solidarity of Barack Obama and Larry Wilmore 2016-05-02T04:00:00Z He underwent cosmetic surgery and suffered from vitiligo, a disease that causes the loss of skin pigmentation -- all of which was detailed in his autopsy. Jermaine Jackson to pen memoir on brother Michael 2011-03-16T17:15:50Z Melanin in humans and animals provides pigmentation to the skin, eyes and hair. 'Super melanin' heals skin injuries from sunburn, chemical burns 2023-11-02T04:00:00Z These proteins are also crucial for pigmentation of hair and skins. Bone density is kept up by the same process with hair color 2023-10-26T04:00:00Z Students working toward a regular cosmetic tattoo license, defined as work resembling makeup such as liners, micro blading and scalp micro pigmentation, formerly needed 90 hours of training. Aspiring tattoo artists will need more training under new Virginia regulations 2023-08-18T04:00:00Z Skin has pigmentation known as melanin that is provided by melanocytes. Fundamentals of Biology 2015-01-01T00:00:00Z “We can recognize the pigmentation patterns on whales. You can tell them apart if you look closely enough,” he said. Gray whale spends record amount of time in San Francisco Bay, concerning scientists 2023-04-25T04:00:00Z The substance protects your cells from sun damage with increased pigmentation in response to sunlight -- a process commonly referred to as tanning. 'Super melanin' heals skin injuries from sunburn, chemical burns 2023-11-02T04:00:00Z Some researchers claim stress might contribute to human hair turning white, and have suggested removing anxiety might restore the pigmentation process - at least for a while. Cause of grey hair may be 'stuck' cells, say scientists 2023-04-19T04:00:00Z “The latex emulsion is a white liquid that is used in various consumer goods. Its pigmentation makes the water-soluble material visible in surface water,” Trinseo said in a statement. What’s known about Philadelphia’s drinking water after chemical spill 2023-03-27T04:00:00Z Human skin pigmentation varies among populations in a striking manner. Fundamentals of Biology 2015-01-01T00:00:00Z For years, scientists have studied blindness and loss of pigmentation in cavefish to better understand these conditions in humans. How will ‘couch potato’ humans evolve? Idle cavefish offer clues. 2023-02-02T05:00:00Z However, the moose’s coloring could be the product of a nutritional deficiency while in utero or of a genetic condition called leucism — the partial loss of pigmentation. A blond moose went viral — but his rare color is a disadvantage, experts say 2023-01-18T05:00:00Z However, the results can be dramatic in addressing uneven skin texture, sagging skin, large pores, patchy pigmentation and acne scarring, and fine wrinkles. Top 3 ways to give your face a lift without a face-lift | Provided by Glow Medispa 2023-01-24T05:00:00Z For example, certain variants of the PAH gene can have several distinct effects, including altering skin pigmentation and causing seizures. People don’t mate randomly — but the assumption that they do links genes to diseases and traits 2022-12-12T05:00:00Z The studies were largely based on self-identified race, and researchers are still looking into the degree that melanin in the skin — which lends the darker pigmentation — affects pulse oximeter performance. Doctors Warn F.D.A. of Health Risks Posed by Flawed Oxygen Devices 2022-11-02T04:00:00Z But several recent studies have raised concerns that the pigmentation in people’s skin can throw off the readings. FDA advisers meet on racial disparities in pulse oximeters 2022-11-01T04:00:00Z They advocate for a "colorblind" approach to understanding inequality, and are quick to dismiss those who single out skin pigmentation as "playing the race card." "White Psychodrama" and the culture wars: A self-reinforcing cycle, going nowhere 2022-09-24T04:00:00Z In addition to pigmentation, the wing’s color is affected greatly by constructive interference of certain wavelengths reflected from its film-coated surface. College Physics for AP Courses 2015-08-12T00:00:00Z An example of epistasis is pigmentation in mice. Biology for AP Courses 2022-06-09T00:00:00Z Most wild lobsters have shells of brown and blue hues, making the orange pigmentation a real outlier. Rare coloration saves lobster from getting served red-hot at a Mississippi Red Lobster 2022-08-12T04:00:00Z Butterflies hatched when there is less daylight have more pigmentation, and therefore darker markings, than butterflies hatched when there is more daylight. Miller & Levine Biology 2018-01-01T00:00:00Z However, in these cases the effect on skin color has nothing do with the skin’s pigmentation. Anatomy and Physiology 2013-06-19T00:00:00Z Tiny, finger-like structures in regular patterns act as reflection gratings, producing constructive interference that gives the feathers colors not solely due to their pigmentation. College Physics for AP Courses 2015-08-12T00:00:00Z Start-ups helped ingredients like vitamin C and retinol - seen as effective for pigmentation and anti-ageing, respectively - reach the ordinary consumer. Start-ups fuel India's growing obsession with skincare 2022-06-04T04:00:00Z And along that line, we could potentially work out the pigmentation or the pigment patterns of an animal with those techniques. How paleontologists know what life on Earth was like the day the asteroid killed the dinosaurs 2022-05-11T04:00:00Z In some butterflies, the amount of pigmentation in the wing is influenced by the length of daylight during the time of year the larva hatches. Miller & Levine Biology 2018-01-01T00:00:00Z Regardless of normal skin pigmentation, individuals with this condition have an insufficient supply of oxygenated blood, which leads to cyanosis, a blue or purple coloration of the skin, especially when active. Anatomy and Physiology 2013-06-19T00:00:00Z "In the majority of plant species, pigmentation is controlled by the relative amounts of anthocyanins, chlorophyll and carotenoids," the study further outlined. Red-fleshed apples: The science behind an uncommon (and much-desired) apple breed 2021-11-25T05:00:00Z Among its most popular products are the face serums for skin pigmentation and for acne. Start-ups fuel India's growing obsession with skincare 2022-06-04T04:00:00Z Because of pigmentation — like a dot — on his retinas, he sees only peripherally. What impact does being legally blind have on Interlake’s Zach McLean on the football field? ‘Zero.’ 2021-10-29T04:00:00Z The regions, she said, “mimic what’s going on in the adult cat pigmentation patterns.” How the Cat Gets Its Stripes: It’s Genetics, Not a Folk Tale 2021-09-07T04:00:00Z They also tend to be more sensitive to light and have vision problems due to the lack of pigmentation on the retinal wall. Anatomy and Physiology 2013-06-19T00:00:00Z The devices beam light through the blood, and skin pigmentation may affect how light is absorbed, they say. Covid: Pulse oxygen monitors work less well on darker skin, experts say 2021-07-31T04:00:00Z In a small subset of participants, the researchers pinpointed segments in single hairs where color changes occurred in the pigmentation patterns. Gray Hair Can Return to Its Original Color—and Stress Is Involved, of Course 2021-06-22T04:00:00Z Christopher Martin, the teenage clerk who accepted the $20 bill from Mr. Floyd, testified on the third day of the trial that he quickly recognized it as fake because it had an unusual blue pigmentation. Little has been said about the $20 bill that brought officers to the scene. 2021-04-19T04:00:00Z The albino red-necked wallaby, which has no skin pigmentation and pink eyes, is believed to be extremely rare. Rare albino wallaby born at Yorkshire Wildlife Park 2021-04-08T04:00:00Z Mr. Martin said he quickly realized the bill was counterfeit; the blue pigmentation gave it away, he testified. Clerk Who Questioned $20 Bill Watched Floyd Arrest With ‘Disbelief and Guilt’ 2021-03-31T04:00:00Z “The immediate baseline-level concern is that these databases have misidentified people on a large scale, particularly anyone with significant pigmentation, so black and brown people,” she said. Virginia lawmakers ban police use of facial recognition 2021-03-29T04:00:00Z The researchers then developed a technique to digitize and quantify the subtle changes in color, which they dubbed hair pigmentation patterns, along each strand. Gray Hair Can Return to Its Original Color—and Stress Is Involved, of Course 2021-06-22T04:00:00Z Early symptoms of infection include abnormal growth: excessive thorns, red pigmentation and general disfigurement — even what is known as witch’s broom, growth that resembles birds’ nests. The Smart Way to Grow Roses 2021-02-17T05:00:00Z It is not clear whether 4-vinylanisole is responsible solely for the initial aggregation of locusts, or whether it also triggers the pigmentation change and subsequent aggressive swarming behaviour seen after locusts gather. Catching plague locusts with their own scent 2020-08-11T04:00:00Z The change in pigmentation of the skin is the result of melanocytes being attacked by the immune system’s T cells. Temprian Therapeutics: developing a gene-based treatment for vitiligo 2020-06-29T04:00:00Z “And the reason for that would be just the pigmentation of my skin.” MLS players Nedum Onuoha and Mark-Anthony Kaye discuss their own racism experiences 2020-06-06T04:00:00Z Others report that a commercially available hydrogel dressing helps reduce pigmentation loss in darker-skinned patients. Getting his tattoo took less than 20 minutes. Regret set in within hours. 2020-05-28T04:00:00Z Roberts by no means confined his suspicions to skin pigmentation. Clifford Roberts: The man who made the Masters - Golf Digest 2020-04-08T04:00:00Z Stereotyping based on pigmentation is foolish, because racial differences are skin deep. How to fight racism using science 2020-01-26T05:00:00Z The mutated HSP70i does not activate dendritic cells and the T cells stay away, allowing the skin to retain its pigmentation. Temprian Therapeutics: developing a gene-based treatment for vitiligo 2020-06-29T04:00:00Z The DNR said that cave is also home to a springtail insect and a cave millipede, both of which lack eyes and pigmentation and are rare worldwide. Indiana approves nature preserve with a `significant’ cave 2020-01-25T05:00:00Z But she remembers the yellow rat snakes from her childhood and a particular mud snake that lacked normal red pigmentation. Python hunter brings passion to war against invasive species 2019-11-30T05:00:00Z While mercury removes skin pigmentation, Shamasunder said, the side effects are toxic. Skin-lightening cream put a woman into a coma. It could happen again. 2019-10-06T04:00:00Z The star ingredient is resveratrol, an antioxidant derivative of red wine that sloughs off dead skin cells, protects your skin from pigmentation and premature ageing, declogs pores and gives you a brighter complexion. The beauty industry is still failing black women | Funmi Fetto 2019-09-29T04:00:00Z After the treatment, some of the black pigmentation returned. Temprian Therapeutics: developing a gene-based treatment for vitiligo 2020-06-29T04:00:00Z But no one had identified a full activator-repressor system involved in periodic pigmentation patterns. Meet the monkeyflower, a weed that may hold the key to zebra stripes and other biological mysteries 2019-08-29T04:00:00Z Those affected are typically left with dark patches or streaks — medically known as post-inflammatory pigmentation, according to Healthline — once the swelling reduces. Woman's blistering 'margarita burns' like 'being cooked from the inside out' 2019-07-09T04:00:00Z The museum says the bison’s health was compromised due to a genetic conditions resulting in lack of pigmentation. North Dakota white bison dies of injuries from ravine fall 2019-06-28T04:00:00Z UV photographs display sun damage in the form of mottled pigmentation because UV light is reduced by melanin. These UV photos show the sun's dramatic effects on a handful of senior tour pros - Golf Digest 2019-06-06T04:00:00Z DNA from his skeleton, dated to around 7,100 B.C., suggests that he had blue eyes, dark curly hair and “dark to black” skin pigmentation. The Concept of "Race" Is a Lie 2019-05-14T04:00:00Z In their paper, Thomas and his colleagues also note the “considerable variation in pigmentation levels in Europe” during the Stone Age as shown from the genetic samples they examined. Study: Aegean farmers replaced hunters of ancient Britain 2019-04-15T04:00:00Z Leucism is caused by a partial loss of pigmentation, resulting in white feathers on a bird. Rare 'white red kite' spotted by farmer 2019-03-13T04:00:00Z Individuals, regardless of pigmentation, don’t marry a race. Opinion | Kamala Harris’s record and character matter — not the race of her father and husband 2019-02-22T05:00:00Z He edits to bring his hairline down, whiten his eyes and smooth his skin pigmentation so his stubble is less obvious. Why we choose to look different online 2019-01-26T05:00:00Z After a few weeks of chaos, Steinberg dropped the offer of cosmetic screening for pigmentation, posting a note on the clinic’s website. From sex selection to surrogates, American IVF clinics provide services outlawed elsewhere 2018-12-29T05:00:00Z In humans, a condition called oculocutaneous albinism reduces pigmentation of skin, hair and eyes. Albinism Strips Pigment From the Body, Including the Eyes 2018-12-14T05:00:00Z The researchers found evidence that the animals’ pigmentation is being altered by increased sulfur from pesticides they ingest as they munch on the leaves of trees surrounding pineapple, banana, and African palm oil farms. Top stories: CRISPR babies fallout, research funders’s tax havens, and our ancient shrinking Sun 2018-12-07T05:00:00Z The Portland Press Herald reports the lobster’s unique coloration is likely caused by a genetic condition that results in the partial loss of pigmentation. Rare translucent lobster caught off Maine coast, thrown back 2018-08-29T04:00:00Z About 90 percent of people descended from some Asian countries are born with this clustered pigmentation, usually on their bottoms or backs. Effort to Diversify Medical Research Raises Thorny Questions of Race 2018-08-10T04:00:00Z We would gradually, for example, see increased pigmentation—from melanin—in skin exposed to the light on Mars. Captain America on Mars 2018-08-03T04:00:00Z When there is very little pigmentation, eyes may appear to be reddish or pinkish in some lights. Albinism Strips Pigment From the Body, Including the Eyes 2018-12-14T05:00:00Z Prof Desmond Tobin, a hair and skin pigmentation specialist at the University of Bradford in the UK, explains that it is perfectly normal for people from European backgrounds to start greying in their early 20s. 'My mum found my first grey hair at seven' 2018-07-18T04:00:00Z The brothers are asking through social media for the public’s help in finding Snowball, a leucistic alligator, born without skin pigmentation. “Swamp Brothers” seek help finding rare white gator Snowball 2018-06-27T04:00:00Z “A lot of animals eat this and incorporate this color into their pigmentation,” says Tlusty. Why This Rare Lobster Is Colored Like Blue Cotton Candy 2018-06-19T04:00:00Z Instead, their white pigmentation is the result of a genetic mutation, and much like the white bison of the Great Plains, or white moose of Canada, is revered by the indigenous people. Advocate: White lions are as predatory as any tawny lion 2018-06-16T04:00:00Z A genetic mutation known as leucism causes a partial lack of pigmentation, usually in just the skin and hair. People built a whole island to protect the rarest of rare creatures — an albino orangutan 2018-04-27T04:00:00Z An autopsy conducted after Mr. Jackson’s death in 2009 confirmed that he suffered from a skin pigmentation disease known as vitiligo. Kanye West accused by Ta-Nehisi Coates of desiring ‘white freedom’ over ‘black freedom’ 2018-05-07T04:00:00Z The largest ever genetic study on pigmentation looked at nearly 300,000 people of European descent. Women 'really are the fairer sex' 2018-04-16T04:00:00Z Yet in the mid-1980s Jackson was diagnosed with vitiligo, a skin disorder that causes loss of pigmentation in patches on the body. Black and White: how Dangerous kicked off Michael Jackson's race paradox 2018-03-17T04:00:00Z In one of her worst-yet panders — quite a distinction if you remember Clinton’s 2007 speech in Selma, Ala. — she apparently noticed the darker pigmentation of her Indian audience and adapted. Opinion | Just stop, Hillary. Please. 2018-03-13T04:00:00Z Ms Hatzistefanis recalls that back then, and especially when she was a beauty writer, there were few skincare products targeting specific skin concerns - pigmentation, fine lines, age spots. The beauty boss who turned snakes into ladders 2018-02-18T05:00:00Z "Eye pigmentation is determined by a specific gene and a particular variant in the gene," says Thomas. Britain's Dark-Skinned, Blue-Eyed Ancestor Explained 2018-02-07T05:00:00Z For skin tone, there are a handful of genetic variants linked to reduced pigmentation, including some that are very widespread in European populations today. First modern Britons had 'dark to black' skin, Cheddar Man DNA analysis reveals 2018-02-07T05:00:00Z Yet Jackson demonstrated that race is about more than mere pigmentation or physical features. Black and White: how Dangerous kicked off Michael Jackson's race paradox 2018-03-17T04:00:00Z "There may be other factors that are causing lower skin pigmentation over time in the last 10,000 years. But that's the big explanation that most scientists turn to," said Prof Thomas. Early Briton had dark skin and blue eyes 2018-02-07T05:00:00Z Using powerful microscopes, the scientists detected within the feathers the remnants of organelles called melanosomes responsible for pigmentation. Chinese 'rainbow dinosaur' had iridescent feathers like hummingbirds 2018-01-15T05:00:00Z "In my view, that's the most robust theory for skin pigmentation," says Thomas. Britain's Dark-Skinned, Blue-Eyed Ancestor Explained 2018-02-07T05:00:00Z Some unusual pigmentation remains on the boy’s skin because of the earlier damage. Massive Skin Replacement Saves Child's Life 2017-11-08T05:00:00Z The difference in pigmentation patterns for whiskers is likely due to more complicated development patterns and physiology, he said. The Stripes in a Cat’s Whiskers 2017-10-27T04:00:00Z So far, Capra’s team has found three functional variants, which are associated with addiction to nicotine, a wider waistline, and skin pigmentation. Modern humans lost DNA when they left Africa—but mating with Neandertals brought some back 2017-10-23T04:00:00Z Using powerful microscopes, the scientists detected within the feathers the remnants of organelles called melanosomes responsible for pigmentation. Chinese 'rainbow dinosaur' had iridescent feathers like hummingbirds 2018-01-15T05:00:00Z “This new mechanism for producing intensely dark pigmentation is really the big story,” says Nina Jablonski, an anthropologist at Pennsylvania State University in State College. New gene variants reveal the evolution of human skin color 2017-10-12T04:00:00Z The researchers pinpointed eight genetic variants in four narrow regions of the human genome that strongly influence pigmentation — some making skin darker, and others making it lighter. Genes for Skin Color Rebut Dated Notions of Race, Researchers Say 2017-10-12T04:00:00Z Some Neanderthal variations were associated with blonder, paler complexions, and others were with darker pigmentation. Sex, disease, and extinction: what ancient DNA tells us about humans and Neanderthals 2017-10-09T04:00:00Z The results indicate that optix affects colouring in a way that goes beyond simple pigmentation. CRISPR reveals genetic master switches behind butterfly wing patterns 2017-09-17T04:00:00Z The giraffes' white color is caused by a genetic condition called leucism that affects their cells' pigmentation, the Program said. Wildlife Experts Spotted a Rare All-White Giraffe and Her Cub in the Wild 2017-09-18T04:00:00Z The white giraffes displayed the characteristics of a genetic condition known as leucism, which inhibits pigmentation in skin cells, Dr. Ali said. null 2017-09-16T04:00:00Z The reticulated giraffes, a mother and child, suffer from a genetic condition called leucism, which inhibits pigmentation in skin cells. Rare white giraffes spotted in Kenya conservation area 2017-09-13T04:00:00Z Users would zoom into hyper pigmentation on her thighs and plaster those screenshots across social media, or post her photos next to an animal for comparison. The online abuse hurled at Malaysia's Muslim women - BBC News 2017-08-20T04:00:00Z No country can claim the qualifier of free as long as it enslaves, stratifies, or subjugates one group of citizens for such a trivial distinction as skin pigmentation. Jesse Jackson keeps fighting for voter rights: “We now live under the rulebook of Jeff Sessions” 2017-08-19T04:00:00Z Despite the animal's all-white appearance, it's coloring does not result from albinism, a congenital condition that results in a loss of pigmentation. Why This Swedish Moose Is Entirely White 2017-08-14T04:00:00Z The intensity of that pigmentation decreased from the dino’s back to its sides, suggesting that the underside of the animal was lighter in color than the top side, researchers report today in Current Biology. Did this big dino use camouflage to hide from predators? 2017-08-03T04:00:00Z But, she says, “the study relating to the pigmentation and coloration—and, therefore, conclusions about predator-prey relationships—is kind of flooded with issues.” It's Official: Stunning Fossil Is a New Dinosaur Species 2017-08-03T04:00:00Z As the century progressed, and crayons increasingly provided easy pigmentation, coloring books became ubiquitous features of childhood. The Surprising Function of the First Coloring Books 2017-08-02T04:00:00Z The company has made models that mimic the characteristics of human skin, such as age, pigmentation and healthiness. Therapeutic developments: Masters of medicine : Nature : Nature Research 2017-05-16T04:00:00Z Among the groups in this study, only nostril width and skin pigmentation showed greater differences than would be expected because of chance accumulations of genetic mutations. Ancestral Climates May Have Shaped Your Nose 2017-03-16T04:00:00Z “A person’s skin pigmentation is something acquired at birth that has absolutely nothing to do with the merits of the person of how one should vote,” he said in a statement. Trump-era Republicans unleash string of inflammatory comments 2017-03-14T04:00:00Z She also notes that the preserved skin doesn't extend to Borealopelta’s underbelly, so she’s not convinced that this region lacked the pigmentation. It's Official: Stunning Fossil Is a New Dinosaur Species 2017-08-03T04:00:00Z The unique eagle has leucism, which causes partial pigmentation loss in animals. Rare bald eagle makes home in southern Oregon 2017-03-09T05:00:00Z Like me, many of them understood that agency and dedication would propel them farther than foreign names and pigmentation would pull them back. When ‘Black Like Me’ Means ‘White Like Them’ 2017-01-30T05:00:00Z He added, however, that nostril width does not seem to correlate with climate as closely as skin pigmentation does. Ancestral Climates May Have Shaped Your Nose 2017-03-16T04:00:00Z They had lost their pigmentation, the result of the immune system attacking the cells that make melanin. ‘Collateral damage’: Immunotherapy drugs attack cancer but also vital organs 2016-12-03T05:00:00Z They had lost their pigmentation, a result of the immune system’s attacking the cells that make melanin. Immune System, Unleashed by Cancer Therapies, Can Attack Organs 2016-12-03T05:00:00Z It results from a reduction in multiple forms of pigmentation. Rare bald eagle makes home in southern Oregon 2017-03-09T05:00:00Z Nobody is worried about borders, nobody is worried about religious differences, nobody is worried the pigmentation of your skin, ethnic background. Caitlyn Jenner Picks Her Most Influential Photo Of All Time 2016-11-17T05:00:00Z This is why oddities of skin pigmentation sometimes betoken deeper ailments. Deciphering the genes that give mammals their stripes and patterns 2016-11-01T04:00:00Z “It seems likely that Alx3 will prove to be an important regulator of pigmentation stripes in most or all mammals,” he predicts. Key to zebra stripes may be found in African mouse 2016-11-02T04:00:00Z Camouflage—in particular, clever patterns of skin pigmentation—helps many modern animals hide from predators in plain sight. Dinosaur ‘wore’ forest camouflage to hide from predators 2016-09-14T04:00:00Z The 4-foot-high image of the Madonna, whose skin owes its dark pigmentation to the effects of smoke, draws 4 million pilgrims to the shrine every year. Pope Francis Praises Faith of Poles in Mass Before Hundreds of Thousands 2016-07-28T04:00:00Z “Slaughtering innocent police officers because of a little pigmentation, a little or a lot, is not the answer. It adds fuel to the fire of hate.” Five Dallas police officers were killed by a lone attacker, authorities say 2016-07-08T04:00:00Z “Cave-dwelling animals are fascinating in that they have lost many of the characteristics we are familiar with in surface animals,” Sprouse said, “such as eyes, pigmentation for camouflage and speed.” Eyeless catfish discovered in Texas cave may have come from Mexico 2016-06-19T04:00:00Z UV rays, pollution damages and ages your skin, degrading collagen fibers causing sagging and uneven pigmentation. Beauty brand founder Tata Harper on skin care, California and the wellness movement 2016-06-17T04:00:00Z In forests, light is more diffuse, and pigmentation transitions tend to be further down on the body and less sharp. Dinosaur ‘wore’ forest camouflage to hide from predators 2016-09-14T04:00:00Z Exactly how the mutation causes black colouring remains a mystery; cortex is not a gene with any known role in pigmentation. Famous peppered moth's dark secret revealed - BBC News 2016-06-01T04:00:00Z In the uncommon condition, sufferers lose pigmentation and their skin turns blotchy. Animals with rare skin condition may help people 2016-05-03T04:00:00Z All the evidence pointed to the MC1R gene - it is critical for making melanin, which affects skin pigmentation and protects against UV radiation from the Sun. 'Secret' of youthful looks in ginger gene - BBC News 2016-04-28T04:00:00Z Vitiligo is caused by the loss of skin pigmentation and causes blotchy, white patches on the skin. Could a Cellular Tweak Someday 'Switch Off' Gray Hair? 2016-04-28T04:00:00Z Getting the details right “required many hours of staring,” Nicholls says, as he and Vinther studied how to untangle the overlapping pigmentation patterns left in the various folds of the flattened fossil. Dinosaur ‘wore’ forest camouflage to hide from predators 2016-09-14T04:00:00Z As Robinson puts it: "You stop the eczema and the pigmentation comes back." 9 Reasons Your Skin Is Changing Color 2016-04-14T04:00:00Z Salomon, the Yale professor, said certain genetic variations appear to actually raise the danger from sun exposure because they may reduce the amount of protective pigmentation in the skin. Gene May Raise Melanoma Risk, Even Without Sun Exposure 2016-04-06T04:00:00Z Albinism is an inherited condition that results in the absence, or near absence, of pigmentation in the eyes, skin and hair. In pictures: Albinism and perceptions of beauty - BBC News 2016-03-29T04:00:00Z Michael Jackson suffered from vitiligo, a pigmentation condition that causes some areas of skin to be lighter than others. Michael Jackson Should Not Be Played By a White Man 2016-02-05T05:00:00Z The team also wanted to see how the light would react just with the animal’s body shape, so Nicholls made a second model devoid of all pigmentation, colored a simple matte grey. Dinosaur ‘wore’ forest camouflage to hide from predators 2016-09-14T04:00:00Z Still, it's important to seek care for any skin pigmentation changes, dermatologists say, since some can signal more serious problems and many influence quality of life. 9 Reasons Your Skin Is Changing Color 2016-04-14T04:00:00Z Her skin cells don’t produce pigmentation, but soft tissues, such as her dark eyes, do. Extremely Rare White Giraffe Spotted—What Would You Name Her? 2016-01-26T05:00:00Z Athletes with darker skin are at higher risk for D deficiency because pigmentation slows vitamin D production in the skin. Elite Athletes Try a New Training Tactic: More Vitamin D 2016-01-25T05:00:00Z Back then, we might find one shadow color per month that worked with our pigmentation. Sarah Jessica Parker and Pat McGrath on Transformation 2016-01-14T05:00:00Z The pigmentation patterns on those Cretaceous marine reptiles followed a pattern called countershading, in which the animal’s back is dark and the belly is lighter. Dinosaur ‘wore’ forest camouflage to hide from predators 2016-09-14T04:00:00Z Fortunately, it's also among the rarest of pigmentation issues, Robinson says. 9 Reasons Your Skin Is Changing Color 2016-04-14T04:00:00Z In a method ominously dubbed “mutagenic chain reaction,” the researchers drove a pigmentation trait in lab-grown fruit flies to the next generation with 97% efficiency. And Science’s Breakthrough of the Year is … 2015-12-17T05:00:00Z Those with darker skin are at risk because pigmentation slows vitamin D production in the skin. Elite Athletes Try a New Training Tactic: More Vitamin D 2016-01-25T05:00:00Z Similarly, the arachnid lost most of its pigmentation after generations of living in moist, dark caves. New Arachnid Named for Lord of the Rings Character 2015-11-19T05:00:00Z And in July, geneticists showed that one gene drive system was almost 100% effective in spreading a mutated pigmentation gene through a population of lab fruit flies, fueling fears about the power of gene drive. Gene drive workshop shows technology’s promise, or peril, remains far off 2015-10-29T04:00:00Z The Audubon Aquarium of the Americas estimates that less than 15 American alligators are leucistic, a condition that reduces their skin pigmentation. They Heal. They Kill. They Joust. 10 Awesome Reptile Photos 2015-10-21T04:00:00Z Wrinkles, sagging and uneven pigmentation are the result. Cosmetics: Molecular beauty : Nature : Nature Publishing Group 2015-10-06T04:00:00Z An estimated 1 in 20,000 people worldwide are born with oculocutaneous albinism, which affects one’s eyes, skin pigmentation and sometimes hair. Runner competes despite her blindness 2015-09-02T04:00:00Z The time of day, season, latitude and degree of skin pigmentation all influence how much vitamin D is produced in the skin. Go ahead, soak up some sun 2015-07-24T04:00:00Z “We must reject the notion that demography is destiny, the pathetic and simplistic notion that skin pigmentation dictates voter behavior,” Jindal said to applause. Bobby Jindal’s obsession with “colorblindness” is everything wrong with the GOP’s racial politics 2015-07-10T04:00:00Z The Audubon Aquarium of the Americas estimates that less than 15 American alligators are leucistic, a condition that reduces their skin pigmentation. They Heal. They Kill. They Joust. 10 Awesome Reptile Photos 2015-10-21T04:00:00Z After taking the drug for two months, the woman experienced a marked improvement in the pigmentation on her face, arms and hands. Drug for Rheumatoid Arthritis May Also Help Ease Vitiligo 2015-06-24T04:00:00Z In these cases the amount of light reflected back from deeper-coloured pigmentation of the skin is less than the device is calibrated for. Apple admits tattoos can cause watch problems - BBC News 2015-04-30T04:00:00Z “For those wondering: natural skin pigmentation doesn’t block light the same way artificial ink pigment or even scar tissue does, so you shouldn’t run into a problem if your skin is naturally darker,” wrote Caldwell. The Apple Watch Gets Wacky With (Some) Wrist Tattoos 2015-04-29T04:00:00Z The pigmentation is protective, according to the study published online in January in the journal Nature Plants: the larger the bull's-eye, the more UV light is absorbed, rather than being reflected onto the pollen. Flowers Are “Darker” at Lower Latitudes 2015-04-08T04:00:00Z The Audubon Aquarium of the Americas estimates that less than 15 American alligators are leucistic, a condition that reduces their skin pigmentation. They Heal. They Kill. They Joust. 10 Awesome Reptile Photos 2015-10-21T04:00:00Z Vitiligo is characterized by a disfiguring loss of pigmentation in skin. Drug for Rheumatoid Arthritis May Also Help Ease Vitiligo 2015-06-24T04:00:00Z If scientists detected a pattern of wavelengths that matched the types of pigmentation seen in earthly species, and displayed the universal absorption features in the infrared, it would be evidence for life. To search for alien life, scientists make a library of life's colors 2015-03-16T04:00:00Z He noted there is no actual blue pigmentation in the eye and said the "only difference between a brown eye and a blue eye is this very thin layer of pigment on the surface." Health Highlights: March 5, 2015 2015-03-05T05:00:00Z Albinism is a hereditary genetic condition which causes an absence of pigmentation in the skin, hair and eyes and is often linked by researchers to inbreeding. Fears Persist That Violence Against Albinos in Tanzania Will Grow 2015-02-20T05:00:00Z People with albinism lack pigmentation in their skin and hair due to a lack of melanin, are often sensitive to the sun and face a higher than average risk of skin cancer. Tanzanian gangs hack off limbs of albinos for traditional rituals 2015-02-19T05:00:00Z Just as the fur of our mammalian domesticates, freed from the constraint of needing to fade into the landscape, became a riot of diverse colors, human pigmentation started to change and many populations became light-skinned. Our Cats, Ourselves 2014-11-24T05:00:00Z Researchers looked at 12 variants in 4 genes known to be involved in pigmentation to determine if and how those genes altered skin colour in Japanese people. Skin colour: No hiding in the dark : Nature : Nature Publishing Group 2014-11-18T05:00:00Z Other faces were tweaked to look more or less healthy by altering pigmentation of the skin—ruddier cheeks, like the glow you’d get from a healthy diet, and a less gray complexion mimicked good health. The Vainest Reason Ever To Eat More Fruits And Vegetables 2014-11-05T05:00:00Z Albinism affects the pigmentation of the skin, hair, and eyes and causes reduced sharpness in eyesight, rapid, involuntary eye movements and increased sensitivity to light. Legally blind Arkansas teacher earns award 2014-10-30T04:00:00Z There was talk — mostly outside Texas, it should be said — of a Davis-led ticket helping change the state's political pigmentation from red to blue, all in one heady campaign. Wendy Davis faces uphill battle in Texas governor's race 2014-10-23T04:00:00Z With rare exceptions the swap’s only effect on the animal is a decrease of external pigmentation. Save the White Tigers 2014-10-16T04:00:00Z The researchers assessed pigmentation by using a spectrophotometer, which measures the reflectance of skin, and found that variants of a gene known as OCA2 lightened skin colour10. Skin colour: No hiding in the dark : Nature : Nature Publishing Group 2014-11-18T05:00:00Z Transparency is not just a lack of pigmentation. A World of Creatures That Hide in the Open 2014-08-18T04:00:00Z “Inadequate sleep is linked to wrinkles, uneven pigmentation, and reduced skin elasticity,” says Dr. Ostad. 6 Foods That Make You Look Older 2014-08-05T04:00:00Z She says the spots are the result of a genetic pigmentation mutation occurring in 1 in every 30 million to 50 million lobsters. Man finds calico lobster, gives it to aquarium 2014-07-30T04:00:00Z Griffin gets rid of this pigmentation with a chemical drug he devises – as he's an albino, he doesn't have far to go anyway. Vanishing point: five ways to become invisible 2014-07-19T04:00:00Z “It will be fantastic if more people start including quantitative measures of pigmentation in their research,” Parra says. Skin colour: No hiding in the dark : Nature : Nature Publishing Group 2014-11-18T05:00:00Z Lancer says those signs include ruddy skin, enlarged pores, dilated capillaries and irregular pigmentation. Sun protection is a fashion statement too with ray-blocking fabrics 2014-06-27T04:00:00Z This section is located on chromosome 18, in an area associated with pigmentation, visual perception and hormonal regulation. Two crows kept separate by their looks 2014-06-19T04:00:00Z Though the pigmentation poses no known health risks, the two puppies were smaller and weaker than others in their litter. These Puppies Were Born With Green Fur 2014-06-13T04:00:00Z The cause of the condition is not known, says Lipner, although some suspect it is an autoimmune disorder - that the immune system attacks pigmentation cells for an as yet unknown reason. How common is vitiligo? 2014-05-29T04:00:00Z “I think that those of us with lighter skin pigmentation still put too much value on a tanned appearance as a marker of health and beauty, when the opposite is true,” she says. Indoor Tanning Is Just As Dangerous As the Sun 2014-05-28T04:00:00Z “We never thought about religion or pigmentation of skin,” he said. WWII vet tells kids about wartime experience 2014-05-15T04:00:00Z Difficult deduction Kun Tang, a biologist at the Shanghai Institutes for Biological Sciences in China, says that facial reconstruction is turning out to be much more difficult than predicting, say, skin pigmentation. Mugshots Built from DNA Data 2014-03-22T11:30:00Z Neanderthal ancestry was found in regions of the genome linked to the regulation of skin pigmentation. Neanderthals gave us disease genes 2014-01-29T18:46:10Z We also talk to Chris and Mark Johnson White from Liverpool who stopped using tanning injections after experiencing nausea, loss of appetite, changes in skin pigmentation and the development of moles. VIDEO: Risks of illegal tanning injections 2014-01-11T00:30:36Z What do we know about pigmentation in the Woolly rhino? The remarkable life appearance of the Woolly rhino 2013-11-09T20:45:00.523Z Since the images on the screen indicated that the darkest part of the mole was concentrated around a hair follicle, an expected pigmentation pattern, Dr. Day concluded there was no immediate need for a biopsy. Technophoria: Dissent Over a Device to Help Find Melanoma 2013-07-20T19:38:52Z Well, they use pigmentation, body size, shape, acoustic cues and so on. Dinosaurs and their exaggerated structures : species recognition aids, or sexual display devices? 2013-04-22T01:15:00.783Z The statistical analysis adjusted for pigmentation, sun exposure and sunscreen use as well as any previous skin cancer, but data on eye and hair color and family history of melanoma were not available. Regular aspirin usage may offer some protection against melanoma, study shows 2013-03-11T18:50:54Z Furthermore, use of therapeutically in a different, rapidly depigmenting model after loss of differentiated melanocytes resulted in 76% recovery of pigmentation. [Research Articles] Mutant HSP70 Reverses Autoimmune Depigmentation in Vitiligo 2013-02-27T19:25:08.233Z In the autumn of 1927, the biologist Francis Sumner spent two months in Florida and Alabama trapping wild oldfield mice for studies of skin pigmentation. Natural history 2013-01-16T18:20:04.503Z "The pigmentation of beef is different - this meat is red, but seems not so well dyed in parts, so maybe it was injected with needles," he said. Sweden alert over dyed pork scam 2012-10-17T15:01:10Z DePrince was number 27, because she suffers from vitiligo, a condition in which patches of skin lose pigmentation. The war orphan who became a ballerina 2012-10-15T01:43:17Z It can produce a wide range of symptoms - from unusual skin pigmentation, to serious and disfiguring non-cancerous tumours which can sometimes turn cancerous. Denmark tightens sperm donor laws 2012-09-25T10:33:33Z “We’re still fishing around to really unravel the pathways involved in pattern forming and pigmentation,” he said. Observatory: The Gene Behind Cheetahs’ Spots and Tabbies’ Stripes 2012-09-20T20:09:06Z “What gives it a quality of extra warmth,” he wrote, “is the pigmentation of the two principals.” Jack Twyman, N.B.A. Star, Dies at 78 2012-06-01T01:58:37Z In uinta the external opening of the ear is much larger; the pinna of the ear is larger, more rounded at the tip, and lacks most of the pigmentation on the inner margin. The Pocket Gophers (Genus Thomomys) of Utah, Vol. 1 No. 1 Kansas University Publications. 2012-03-19T02:00:23.340Z The pathological pigmentation of the body results, presumably, from the metamorphosis of the coloring matter of the blood or from the introduction from without of pigments insoluble in the fluids of the body. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z Polynesian influence in Fiji is most clearly demonstrated by lighter pigmentation, tall and muscular body build, moderate brachycephaly, broad faces and jaws, high and fairly long noses and strong chins. A Racial Study of the Fijians 2012-03-15T02:00:31.197Z A different pigmentation method produces the brighter-colored features of, say, cardinals. Feather Cells Tell of Microraptor?s Crowlike Sheen 2012-03-08T19:20:19Z Richard Cabot, a physician at Massachusetts General Hospital, first reported an association between colon cancer and a certain type of retinal pigmentation in 1935. ?Freckles? on his retina prompts a man to get himself tested for colon cancer 2012-03-05T20:28:30Z The external symptoms of these cases is a pigmentation, that is, a very dark discolouration of the skin, which develops rather early in the disease. Essays In Pastoral Medicine 2012-03-05T03:00:09.993Z Although the pathological pigmentations form an extended series of alterations, the clinical importance of the condition may be regarded in many instances as trivial. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z If the environment being spread through is an animal embryo and the reagents are hormones that trigger the differentiation of the body’s pigment-producing cells, the upshot is a distinct pattern of pigmentation. Mathematical ecology: Spot check 2012-01-12T16:04:23Z The intensity of the dorsal pigmentation is subject to rather rapid change. A Distributional Study of the Amphibians of the Isthmus of Tehuantepec, Mexico 2011-12-31T03:00:17.400Z These pigment-grains are at length liberated into the blood-stream and become deposited in the various organs, spleen, liver, kidneys, brain, causing pronounced pigmentation. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 7 "Gyantse" to "Hallel" 2011-12-26T03:00:11.613Z Areas of pigmentation also occur where the skin is irritated,—at the wrists from the irritation of the coat sleeves, at the edge of the hair from the irritation of the hat. Essays In Pastoral Medicine 2012-03-05T03:00:09.993Z The most important of such pigmentations are those taking place through inhalation into the lungs. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z By late July scales are well developed and the embryo is more snakelike in appearance, but pigmentation is still absent. Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia) 2011-12-17T03:00:17.963Z In all four stages, spiracle persistent, and pigmentation resembling that of early stages. Neotropical Hylid Frogs, Genus Smilisca 2011-10-24T02:00:14.853Z In some there is dark pigmentation on the 2nd, 3rd, 8th and 10th rows of scales. A Revision of Snakes of the Genus Conophis (Family Colubridae, from Middle America) 2011-09-25T02:00:14.967Z The final picture shows pigmentation preserved in a fossil feather. Fossil feathers: Not just for the birds 2011-09-14T18:17:45Z Although a large part of the pigmentation under such circumstances is due to the direct presence of the foreign body, the appearances are also partly the result of consequent minute hemorrhages. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z The preserved filaments “display a wide range of pigmentation from nearly transparent to dark,” but “no larger-scale patterns are apparent.” Feathers Trapped in Amber Reveal a More Colorful Dinosaur Age 2011-09-15T17:27:08Z In these specimens the same color pattern obtains as in the pallid individuals, but the pigmentation is dense. Neotropical Hylid Frogs, Genus Smilisca 2011-10-24T02:00:14.853Z Specimens having dark stripes on the body always have black or dark brown pigmentation on the first, 4th and 7th dorsal scale-rows. A Revision of Snakes of the Genus Conophis (Family Colubridae, from Middle America) 2011-09-25T02:00:14.967Z Specimens include simple filament structures similar to the earliest feathers of non-flying dinosaurs — a form unknown in modern birds — and more complicated bird feathers “displaying pigmentation and adaptations for flight and diving,” the researchers reported. Diversity of dinosaur-age feathers revealed in Canadian amber 2011-09-15T15:40:00Z Attention may be here called to that pigmentation of the skin and deeper-seated parts of the body, especially of the kidneys, known by the term argyria. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z They’re using pigmentation to study a central question of biology: How do organisms adapt to their environments? A Colorful Way to Watch Evolution in Nebraska?s Sand Dunes 2011-08-08T21:33:06Z The variation in intensity of pigmentation possibly can be correlated with environmental conditions, especially the amount of light. Neotropical Hylid Frogs, Genus Smilisca 2011-10-24T02:00:14.853Z There is, nevertheless, at any one locality considerable variation in the amount of dark pigmentation present on the chin and supralabials, thereby indicating that the slight geographic trend in this character is not significant. A Revision of Snakes of the Genus Conophis (Family Colubridae, from Middle America) 2011-09-25T02:00:14.967Z Under stressful environmental conditions, the algae die or lose their pigmentation, causing the coral to turn white and die, too -- a process known as bleaching. Coral Genomes Could Aid Reefs Damaged by Global Warming 2011-07-24T22:45:05.437Z The pustules in the course of from four days to a week desiccate and are shed, leaving behind them violaceous pigmentations of the surface without persistent cicatricial sequel�. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z It is worry in combination with the physical disturbance that produces the pigmentation. Psychotherapy 2011-06-19T02:00:20.053Z "We discovered Wnt signaling is essential for coordinated actions of these two stem cell lineages and critical for hair pigmentation." New Research Provides Clues on Why Hair Turns Gray 2011-06-16T14:27:00Z Snakes having a larger number of dark stripes and more dark pigmentation occur in the southern part of the range. A Revision of Snakes of the Genus Conophis (Family Colubridae, from Middle America) 2011-09-25T02:00:14.967Z As already stated, the central part of the visual field—the fovea upon which we depend for acute vision—contains a yellowish pigmentation, which is responsible for the term “yellow spot.” Visual Illusions Their Causes, Characteristics and Applications 2011-06-02T02:00:25.247Z From pure perfection of body, face, limbs, pigmentation, carriage, stance, from simon-pure perfection, if I may be allowed the expression, she sees herself and is horrified. The Beautiful People 2011-05-31T02:00:36.283Z The influence in most cases, animal and human, which produces pigmentation is exerted by the nervous system through the vascular supply. Psychotherapy 2011-06-19T02:00:20.053Z The study suggests the manipulation of Wnt signaling may be a novel strategy for targeting pigmentation such as graying hair. New Research Provides Clues on Why Hair Turns Gray 2011-06-16T14:27:00Z It was more about your point of view than your skin pigmentation. Playing the colour card 2011-05-17T06:51:35Z True or false: An orange pigmentation on a fruit or vegetable means it likely contains more alpha- than beta-carotene. How much do you know about alpha-carotene? 2011-05-04T15:40:08Z The only noted variation in color is the intensity of brown pigmentation on the caudal musculature, which in most specimens is sufficiently dense to make the tail look brown. A Review of the Middle American Tree Frogs of the Genus Ptychohyla 2011-02-28T03:00:32.093Z In a few cases the enlargement of the abdomen has been accompanied by pigmentation and the areola of the nipple has also become pigmented. Psychotherapy 2011-06-19T02:00:20.053Z Local adaptation, which accounts for variation in traits such as pigmentation, dietary specialization, and susceptibility to particular pathogens is also a second-tier player. [Essay] Genome-Sequencing Anniversary: What Does a ?Normal? Human Genome Look Like? 2011-02-17T19:26:21.660Z So traditional morphological analysis, such as comparing patterns of pigmentation and numbers of fin rays, is conducted to solidify their findings. Smithsonian Scientists Discover 7 New Species of Fish 2011-02-08T17:02:00Z He developed vitiligo, a disorder that causes loss of pigmentation. China's economic invasion of Africa 2011-02-06T20:29:00Z Established side effects of Latisse include itching, irritation, redness and increased brown pigmentation of the iris; the over-the-counter products, which are not government regulated, are also a gamble. Batter up: Eyelashes enjoy a spike 2010-12-30T01:29:32Z Then comes Dermablend, a cosmetic aid that smoothes and obscures and is used to cover scars and pigmentation disorders like vitiligo. Extreme Makeover: Criminal Court Edition 2010-12-06T02:00:00Z From a close analysis of the shapes, dimensions and other characteristics of the fossil’s melanosomes, the scientists determined that they were nothing like the large ellipsoidal shape and arrangement of pigmentation packets of living penguins. Extinct Penguin Wore Earth Tones, Fossil Shows 2010-09-30T18:01:00Z As well as being blind, the fish lacks pigmentation, a common trait in organisms that live underground where there is little or no light. Subterranean fish 2010-05-11T10:26:00Z The genes in which some of the changes occurred play a role in cognitive and physical development — such as cranial features, skin pigmentation and how we metabolize energy. Scientists Sequence the Neanderthal Genome 2010-05-06T20:05:00Z The skin is whiter from deficient pigmentation, and the size of the body is smaller than in a second-class male. The New Gulliver and Other Stories Hence, this type of adaptation might be conceived to be a "survival of the fittest," resulting in the "natural selection" of individuals of the highest total pigmentation. The Chemistry of Plant Life We might isolate still further and perceive a freckle on the nose, taking that as a whole, or even observing separately its location, diameter, depth of pigmentation, etc. Psychology A Study Of Mental Life Mutations have occurred involving the pigmentation of the body and wings. A Critique of the Theory of Evolution Benbow was one of those rare American Negroes whose skin was actually as close to being "black" as human pigmentation will allow. Psichopath The epispore acquires a waxy consistence by this pigmentation, so that it may be detached in granules. Fungi: Their Nature and Uses But, on the other hand, there is experimental evidence to show that plants possess some means of varying their pigmentation in response to the character of the light which comes to them. The Chemistry of Plant Life It has taken the form of a brown pigmentation on the hands. Astounding Stories of Super-Science April 1930 An accident of pigmentation, only that had brought him to this. Grove of the Unborn Black sex signs denote deeply pigmented birds, and light sex signs those without pigmentation. Mendelism Third Edition What is the difference between the blue eye as a defect in pigmentation, and of feeble-mindedness as a defective characteristic? Introduction to the Science of Sociology Every effort should be made to remove such foreign bodies, as if left embedded they cause unsightly pigmentation of the skin. Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. It calls it 'Pigmentation'—the 'pigmentation of the mature virgin.' Too Old for Dolls A Novel "It is only pigmentation caused—er—caused by some harmless germ." The Blue Germ Such birds bred together gave some offspring with the full pigmentation of the Silky, some without any pigment, and others showing different degrees of pigment. Mendelism Third Edition Consequently, the pigmentation is apt to be weak. Introduction to the Science of Sociology From the continued irritation and scratching more or less pigmentation results. Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine Nevertheless, their pigmentation was peculiar, and what there was of it looked more like a pale orange tint than the ruddiness of the Caucasian. The Airlords of Han Even the theory that light occasions pigmentation is no longer tenable. The Dawn of Reason or, Mental Traits in the Lower Animals None of the F2 male birds, however, showed the full deep pigmentation of the Silky. Mendelism Third Edition Now when both parents have brown eyes and come from an ancestry with brown eyes, it is probable that all of their germ cells contain the determiner for brown iris pigmentation. Introduction to the Science of Sociology Vitiligo may be defined as a disease involving the pigment of the skin alone, characterized by several or more progressive, milky-white patches surrounded by increased pigmentation. Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine The various races of the earth enjoy a degree of pigmentation of the skin corresponding to the intensity of the sunlight in the latitude to which they have become accustomed through the course of evolution. Vitality Supreme Some experiments on newts, made by myself several years ago, show that the absence of light does not influence pigmentation,—that is, through several generations. The Dawn of Reason or, Mental Traits in the Lower Animals The male Silky transmitted the pigmentation, but only to his daughters. Mendelism Third Edition This determiner will, of course, induce pigmentation, but the pigmentation is simplex, being induced by one determiner only. Introduction to the Science of Sociology The patches grow slowly, are milky or dead white, smooth, non-elevated, and of rounded outline; the bordering skin is darker than normal, showing increased pigmentation. Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine The pigmentation resembles the bronzing of Addison's disease, but there are no patches on the mucous membranes, and the normal rosy tint of the lips is not altered. Aids to Forensic Medicine and Toxicology It is not necessary to mention further instances; we readily see that pigmentation in animals is not necessarily dependent on light. The Dawn of Reason or, Mental Traits in the Lower Animals The Silky is pure for the pigmentation factor, but does not contain the inhibitor factor. Mendelism Third Edition The tissues of the capsule may show evidence of iron pigmentation. Manual of Surgery Volume First: General Surgery. Sixth Edition. All those cases of pigmentation caused by external agents, such as the sun's rays, sinapisms, blisters, continued cutaneous hyperæmia from scratching or any other cause, etc. Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine People who have never been outside Europe can hardly imagine the intensity of the colour prejudice that white men develop when brought into contact with any different pigmentation. The Problem of China The degree of pigmentation is clearly correlated with sexual vigor. Studies in the Psychology of Sex, Volume 5 Erotic Symbolism; The Mechanism of Detumescence; The Psychic State in Pregnancy Thus a bird of the constitution PPIi approaches in pigmentation a bird of the constitution Ppii, while a bird of the constitution PpII has but little more pigment than the unpigmented bird. Mendelism Third Edition A blank cartridge fired at close range may cause a severe wound, and, if charged with black powder, may leave a permanent bluish-black pigmentation of the skin. Manual of Surgery Volume First: General Surgery. Sixth Edition. In such cases, with few exceptions, the pigmentation is usually more or less diffuse. Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine The same charm of disparity which has been supposed to rule in selective attraction as regards stature has also been assumed as regards pigmentation. Studies in the Psychology of Sex, Volume 4 Sexual Selection In Man Pregnancy constantly gives rise to pigmentation of the face, the neck, the nipples, the abdomen, and this is especially marked in brunettes. Studies in the Psychology of Sex, Volume 5 Erotic Symbolism; The Mechanism of Detumescence; The Psychic State in Pregnancy Moreover, certain of these intermediates will breed true to an intermediate condition of the pigmentation. Mendelism Third Edition On section these tumours present a brownish-red or chocolate colour, and, being highly vascular, are liable to hæmorrhages, and therefore also to pigmentation, and to the formation of blood cysts. Manual of Surgery Volume First: General Surgery. Sixth Edition. Elephantiasis is a chronic hypertrophic disease of the skin and subcutaneous tissue characterized by enlargement and deformity, lymphangitis, swelling, œdema, thickening, induration, pigmentation, and more or less papillary growth. Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine From the same number of the Round-About from which I have extracted the data on stature, I have obtained corresponding data on pigmentation, and have embodied them in the following table. Studies in the Psychology of Sex, Volume 4 Sexual Selection In Man This association of pigmentation and sexual aptitudes has been recognized in the popular lore of some peoples. Studies in the Psychology of Sex, Volume 5 Erotic Symbolism; The Mechanism of Detumescence; The Psychic State in Pregnancy It is difficult to believe that the markedly different states of pigmentation which occur in the same species are not associated with deep-seated chemical differences influencing the character and bent of the individual. Mendelism Third Edition Soldau believes that the pigmentation and overgrowth of the epidermis in moles are associated with, and probably result from, a fibromatosis of the cutaneous nerves. Manual of Surgery Volume First: General Surgery. Sixth Edition. There is also increased pigmentation, the integument becoming more or less brownish. Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine The two visible characters which are at once most frequently sought in a mate and most easily measurable are degree of stature and degree of pigmentation. Studies in the Psychology of Sex, Volume 4 Sexual Selection In Man In women, during menstruation, there is a general tendency to pigmentation; this is especially obvious around the eyes, and in some cases black rings of true pigment form in this position. Studies in the Psychology of Sex, Volume 5 Erotic Symbolism; The Mechanism of Detumescence; The Psychic State in Pregnancy If an association of this kind be found, and the pigmentation factors be determined, it is evident that we should thereby obtain an insight into the nature of the units upon which mental conditions depend. Mendelism Third Edition A special form of pigmentation of the skin is seen on the front of the legs of women from exposure to the heat of the fire. Manual of Surgery Volume First: General Surgery. Sixth Edition. In nævus pilosus the removal of the hairs alone by electrolysis is not infrequently followed by a decided diminution of the pigmentation. Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine We have already briefly touched upon the cause for pigmentation and the indications of differences in color. Analyzing Character The inflammation of sunburn is succeeded by the brown pigmentation that henceforth stands guard like the photographer's ruby window, protecting the deeper layers of the skin. Hero Tales of the Far North According to general opinion, these mulattos, of intermediate pigmentation, continue to produce mulattos. Mendelism Third Edition The most attractive point raised was that of pigmentation. Scott's Last Expedition Volume I Mainly by removing the rete cells and with them the pigmentation; and partly, also, by stimulating the absorbents. Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine On the other hand, people whose ancestors dwelt for centuries in the cold, dark, cloudy and foggy climate of Northwestern Europe have less need for pigmentation and are, therefore, flaxen-haired, blue-eyed and white-skinned. Analyzing Character Speculation as to the marked differences in pigmentation and appearance of niece and uncle was dissipated by my consciousness that we were now moving in a dim half-light. The Moon Pool The facts are suggestive, and it is not impossible that future research may reveal an intimate connection between peculiarities of pigmentation and peculiarities of mind. Mendelism Third Edition Duyse reports a case of extensive hypertrichosis of the back in a girl aged nine years; her teeth were normal; there was pigmentation of the back and numerous pigmentary nevi on the face. Anomalies and Curiosities of Medicine It is characterized by thinning and wasting, dryness, and a wrinkled condition, with more or less pigmentation and loss of hair. Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine An albino is a homozygote; that is, all its gametes are carrying the character of albinism and none of them bear the alternative character —the allelomorph—-of pigmentation. The Project Gutenberg Encyclopedia Volume 1 of 28 He envied Gloria who could hide her fatigue with careful pigmentation. The Beautiful and Damned The analysis of mental characters will no doubt be very difficult, and possibly the best line of attack is to search for cases where they are associated with some physical feature such as pigmentation. Mendelism Third Edition The skin was peculiar in thinness, softness, and absence of pigmentation. Anomalies and Curiosities of Medicine A smooth and flat nævus, consisting essentially of augmented pigmentation alone. Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine Before we can inquire into the cause and meaning of albinism it will be necessary first to consider the nature Of pigmentation. The Project Gutenberg Encyclopedia Volume 1 of 28 Richard Caramel's nose and brow were slowly approaching a like pigmentation; the red was leaving the one, the blue deserting the other. The Beautiful and Damned Word referring to physiological pigmentation of tissues exposed to view. A Study of Association in Insanity Pigmentary Processes.—Friction, pressure, or scratching, if long continued, may produce extensive and permanent pigmentation. Anomalies and Curiosities of Medicine The tendency to form segments, crescents and circles, the color, the pigmentation and ulceration, the history, and not infrequently marks or scars of former eruptions. Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine And this leads to the inquiry as to whether albinoes ever exhibit evidence that they carry the pattern determinants in the absence of those for pigmentation. The Project Gutenberg Encyclopedia Volume 1 of 28 Would the Armed Services make their records available for scansion by somatotype and pigmentation? Bad Medicine It is most active during the hot weather, the inflammation subsiding in the winter, leaving a pigmentation of the skin. Scientific American Supplement, No. 392, July 7, 1883 The existence of accidental nigrities rests on well-established facts which are distinctly different from the pigmentation of purpura, icterus, or that produced by metallic salts. Anomalies and Curiosities of Medicine The papules, as a rule, develop slowly, remain stationary several weeks or a few months, and then pass away by absorption, leaving slight pigmentation, which gradually fades; or they may undergo certain modifications. Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine Such cases suggest that we should be more correct in regarding, not albinism as correlated with constitutional defects, but rather pigmentation as correlated with powers of immunity or increased resistance against certain injurious processes. The Project Gutenberg Encyclopedia Volume 1 of 28 But when we consider the pigmentation of the upper side and the normally white lower side, although the adaptation is equally obvious, the utility is by no means certain. Hormones and Heredity There was increased pigmentation of the skin sometimes patchy. Blood Brothers A Medic's Sketch Book Anosmia has been noticed in leukoderma and allied disturbances of pigmentation. Anomalies and Curiosities of Medicine No scarring is left, and no pigmentation noted. Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine By pigmentation is here meant all those factors which go to its production. The Project Gutenberg Encyclopedia Volume 1 of 28 To take first the loss of pigmentation from the lower side. Hormones and Heredity White hair and pink eyes--not a particle of protecting pigmentation. Darkness and Dawn Doubtless a solution of the central control of pigmentation would confirm the best theory of the cause of leukoderma—i.e., faulty innervation of the skin. Anomalies and Curiosities of Medicine No. Upon the legs, in long-continued cases, more or less pigmentation usually remains. Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine Such cases are interesting as representing the last step in the graded series through which the condition of complete pigmentation passes into that of complete albinism. The Project Gutenberg Encyclopedia Volume 1 of 28 The answer is that in the mutants the determinants for pigmentation are united with the determinants for the lower side of the fish. Hormones and Heredity The skin becomes smooth, and its pigmentation fades completely; but the pregnancy streaks rarely vanish entirely, although they always become very much less noticeable. The Prospective Mother, a Handbook for Women During Pregnancy Acanthosis Nigricans may be defined as a general pigmentation with papillary mole-like growths. Anomalies and Curiosities of Medicine All forms of pigment deposit which occur as a consequence of various organic and systemic diseases, as the pigmentation, for instance, seen in association with tuberculosis, cancer, malaria, Addison's disease, uterine affections, and the like. Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine The best known symptom, but one which only occurs after the disease has made considerable progress, is a gradually increasing pigmentation of the skin, ranging from a bronzy yellow to brown or even occasionally black. The Project Gutenberg Encyclopedia Volume 1 of 28 Microscopically examined, the pigmentation was found to consist of black and orange chromatophores exactly similar to those of the upper side. Hormones and Heredity Deposits elsewhere may depend upon other conditions; but whatever their cause the pigmentation vanishes a short time after the birth. The Prospective Mother, a Handbook for Women During Pregnancy Leukoderma is a pathologic process, the result of which is a deficiency in the normal pigmentation of the skin, and possibly its appendages. Anomalies and Curiosities of Medicine Chloasma uterinum is a term applied to the ill-defined patches of yellowish-brown pigmentation appearing upon the faces of women, usually between the ages of twenty-five and fifty. Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine The breasts may reach almost the size of the female's and there may be a well-marked area of pigmentation around the nipple. The Glands Regulating Personality Absence of the gametic factor or factors for pigmentation results in albinism, and no amount of exposure to light produces pigmentation in albinos, e.g. albino Axolotls which are well known in captivity. Hormones and Heredity Upon its face were stamped countless wrinkles and its blackness seemed less that of pigmentation than the weathering of unbelievable years, the very stain of ancientness. The Metal Monster Crocker has reported a case somewhat similar to these two, under the head of general bronzing without constitutional symptoms, in a Swedish sailor of twenty-two, with rapid onset of pigmentation. Anomalies and Curiosities of Medicine New papules may appear from time to time, the older lesions disappearing and leaving persistent reddish or brownish pigmentation. Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine Davenport has concluded that there are two double factors for black pigmentation in the full-blooded negro which are separately inheritable. The Glands Regulating Personality The fact that Proteus does not rapidly become as deeply coloured when exposed to light as ordinary Amphibia shows that the gametic factors for pigmentation have been modified as well as the somatic tissues. Hormones and Heredity At a certain advanced stage of feather pigmentation a brilliant iridescent bronze or green tint made its appearance on those areas where iridescence most often occurs in allied genera. Darwin and Modern Science Soon afterward the same appearances occurred on both shoulders, and, in the same order, spread gradually down the outer sides of the arms—first black specks, then papules, and lastly pigmentation. Anomalies and Curiosities of Medicine More or less pigmentation, and sometimes superficial scarring, may remain to mark the site of the lesions. Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine So pigmentations, darkenings and discolorations of the skin, especially of the face, the traditional chloasma develops. The Glands Regulating Personality Less degrees of pigmentation of the lower side occur without structural abnormality of the eye and dorsal fin. Hormones and Heredity Its great superiority lies in an almost unbelievable power of simulation, which relates solely to the pigmentation of its skin. The Financier, a novel Working people, especially those who are out in the open a good deal, have a tougher pigmentation and a browner skin, so that their flush is less obvious. Criminal Psychology; a manual for judges, practitioners, and students Among albinos every higher grade of pigmentation dominates all the lower grades in inheritance, and so apparently it is with mental development; the higher grades dominate the lower. The Journal of Abnormal Psychology, Volume 10 He was particularly struck by the change in the pigmentation of the skin, so much so that his own designation for the affection was "bronzed skin." The Glands Regulating Personality In August and September the epidermic papillae begin to be obvious, and from this time till February a continuous increase in the papillae and their pigmentation occur. Hormones and Heredity With the general diffuse pigmentation or darkening there are often the black spots, the pigmented birth marks, or the lighter ones of freckles. The Glands Regulating Personality And what accurate knowledge have we of pigmentation? Criminal Psychology; a manual for judges, practitioners, and students The brain weighed 1390 grams and showed little or no gross lesion, if we except a pigmentation of the right prefrontal region under an area of old pias hemorrhage. The Journal of Abnormal Psychology, Volume 10 The pigmentation is due to a dark brown deposit lightly or thickly scattered over the skin. The Glands Regulating Personality Another instance is afforded by pigmentation of the skin in man; which varies with the amount of light and heat from the sun to which the skin is exposed. Hormones and Heredity Each is a unit character but showing graded allelomorphic conditions which correspond probably with different stages of arrested development of pigmentation or mentality respectively. The Journal of Abnormal Psychology, Volume 10 |
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