| 单词 | lumen |
| 例句 | So we sat there for a couple hours talking to the screen together, navigating this invisible labyrinthine cave without a single lumen of light. The Fault in Our Stars 2012-01-10T00:00:00Z As they look similar, be sure that you check the number of lumens the model you’re looking at offers before you buy it. Best headlamp 2012-06-19T20:46:00Z A scene change in the middle of Act II revealed the dazzling imperial throne room, which throws off something like a zillion lumens. The Met’s Herculean Task: 4 Operas in 48 Hours 2019-10-25T04:00:00Z Then, three songs into a lengthy set at the Paramount, one muted spotlight lit him, yet with fewer lumens than a car headlight. Seattle’s prodigal band returns; Fleet Foxes puts on stellar show 2017-09-15T04:00:00Z Most people, when buying a light bulb, will look at lumens and wattage. You’re probably buying the wrong light bulb — here’s why 2022-07-16T04:00:00Z As a critic, Gilman was brilliant; he made the light in your head brighten by a few lumens. Her Father Was a Drama Critic, Her Mother a Superstar Agent 2023-02-13T05:00:00Z The importance of particular critics can’t be quantified in lumens of fame, circulation numbers or box office returns, though by all of these measures Kael, in her heyday, certainly enjoyed unusual prominence. Pauline Kael and Her Legacy 2011-10-15T22:17:20Z I slot in the kickstand and set it on my desk at a 20cm distance to receive the full 10,000 lumens. Lighten up: can a sun simulator improve my winter mood and lethargy? 2020-01-07T05:00:00Z I drink up the lumens and focus more on the panel itself, and its texture. Lighten up: can a sun simulator improve my winter mood and lethargy? 2020-01-07T05:00:00Z “The average camper probably needs between 50 and 100 lumens of brightness and is comfortable to wear,” explains Regenold. Best headlamp 2012-06-19T20:46:00Z Most incandescent bulbs can only create about 15 lumens with 1 watt, so they don’t meet the guidelines. Making the Switch to LED Light Bulbs 2023-08-17T04:00:00Z “If you break it down bio meaning life and lumen meaning light and so bioluminescence is really the all-encompassing term that refers to life that gives off light,” said Rouches. When sky darkens, sparkles appear 2023-08-28T04:00:00Z The new efficiency standard announced by the Biden administration requires light bulbs to meet a minimum standard of producing 45 lumens per watt. It’s Official: Stores Can No Longer Sell Most Incandescent Lights 2023-08-01T04:00:00Z The goblet cells, which are shorter than the columnar cells, are in direct contact with the intestinal lumen. Fundamentals of Biology 2015-01-01T00:00:00Z The spermatids eventually reach the lumen of the tubule and grow a flagellum, becoming sperm cells. Concepts of Biology 2013-04-25T00:00:00Z These bulbs can create about 75 lumens with 1 watt of electricity. Making the Switch to LED Light Bulbs 2023-08-17T04:00:00Z The proposal from the Department of Energy would more than double the minimum light bulb efficiency level, moving it from the current standard of 45 lumens per watt to more than 120 lumens per watt. Biden administration to phase out incandescent bulbs, move to LEDs 2022-12-19T05:00:00Z Urban light pollution is a large-scale issue, but individual households can help their communities turn down the lumens while still ensuring safety. What you can do to reduce light pollution 2022-09-20T04:00:00Z The hollow internal cavity in which the blood flows is called the lumen. Fundamentals of Biology 2015-01-01T00:00:00Z The ribosomes synthesize proteins while attached to the ER, resulting in transfer of their newly synthesized proteins into the lumen of the RER where they undergo modifications such as folding or addition of sugars. Concepts of Biology 2013-04-25T00:00:00Z They are capable of illuminating your home with both white and color ambiance and putting out up to 500 lumens. Philips Hue’s has a new range of smart light bulbs 2022-09-01T04:00:00Z Earlier this year, the Energy Department banned the sale of light bulbs that produce 45 lumens per watt and raised energy efficiency standards for general service lamps. Biden administration to phase out incandescent bulbs, move to LEDs 2022-12-19T05:00:00Z They output up to 500 lumens of light and 2,700 Kelvin, which is similar to the filament line, making these ambiance bulbs not suitable for task lighting. New Hue Lightguide bulbs start at $75, but they’re so pretty 2022-08-26T04:00:00Z Goblet cells secret mucous into the digestive tract lumen. Biology for AP Courses 2022-06-09T00:00:00Z The transport vesicles that form from the ER travel to the receiving face, fuse with it, and empty their contents into the lumen of the Golgi apparatus. Concepts of Biology 2013-04-25T00:00:00Z At 1200 lumens, with white and color light, the Philips Hue slim downlight is designed for any room of the house and is wet-rated, so can be used in a bathroom. Philips Hue’s has a new range of smart light bulbs 2022-09-01T04:00:00Z These are the latest and brightest generation of Hue bulbs, capable of 1,100 lumens of brightness. Save 50 percent on a Philips Hue four-bulb starter kit 2022-08-02T04:00:00Z Bowman’s capsule surrounds the glomerulus to form a lumen, and captures and directs this filtrate to the PCT. Anatomy and Physiology 2013-06-19T00:00:00Z Na+ and/or K+ ions are actively transported into the lumen of the tubules. Biology for AP Courses 2022-06-09T00:00:00Z The bulbs go from 30 to 1100 lumens and work over Wi-Fi, and there’s no need for a hub or bridge. How to choose between smart lights and smart switches 2022-06-14T04:00:00Z “The proper beam width and lumen intensity ensures that the lighting brings out interesting details of whatever it’s highlighting. That could be tree trunks, textured stone walls or a front entrance.” How to light up your yard for year-round enjoyment and improved security | Produced by Seattle Times Marketing 2022-05-12T04:00:00Z At 3,500 lumens, it’s extremely bright — so bright that the stark white boot-up sequence invokes an involuntary flinch to shield my eyes whenever I start it in a darkened room. AWOL LTV-3500 ultra-short throw projector review: the bright stuff 2022-05-05T04:00:00Z You will find osmotic pressure exerted by the solutes inside the lumen of the capillary as well as inside of Bowman’s capsule. Anatomy and Physiology 2013-06-19T00:00:00Z IgA and other antibodies are secreted into the intestinal lumen. Biology for AP Courses 2022-06-09T00:00:00Z Razer says its model offers up to 2800 lumens of brightness, adjustable colors and white temperatures, and an included mount for attaching it to your desk. Razer’s new streaming accessories help make you sound and look better 2022-03-11T05:00:00Z If you care about banalities such as lumens, embedded OSes, supported streaming protocols, and other such minutia then this projector clearly isn’t meant for you. Samsung’s tiny Freestyle projector is fun so get over it 2022-01-04T05:00:00Z The other neat feature is three lighting panels that deliver a blinding 3,000 lumens of light at up to 5,700 Kelvins — both of which are much higher than any competitor. The best floodlight camera to buy right now 2021-12-07T05:00:00Z Thus, the only pressure moving fluid across the capillary wall into the lumen of Bowman’s space is hydrostatic pressure. Anatomy and Physiology 2013-06-19T00:00:00Z The cell produced at the end of meiosis is called a spermatid and when it reaches the lumen of the tubule and grows a flagellum, it is called a sperm cell. Biology for AP Courses 2022-06-09T00:00:00Z First, spreading all those lumens across such a large space dims the displayed image considerably. This ultra-short throw projector can almost replace a TV 2021-11-24T05:00:00Z The floodlight can output a very bright 2,400 lumens when needed, and the housing is IP65 rated to withstand the elements. Black Friday deals on Google devices have started early 2021-11-19T05:00:00Z The light is also only rated for 1100 lumens, the lowest by far, but it feels plenty bright in use. The best floodlight camera to buy right now 2021-12-07T05:00:00Z Some drugs can be eliminated by carrier proteins that enable secretion of the drug into the tubule lumen. Anatomy and Physiology 2013-06-19T00:00:00Z These cells absorb material from the lumen of the digestive tract and prepare it for entry into the body through the circulatory and lymphatic systems. Biology for AP Courses 2022-06-09T00:00:00Z But when paired with the floodlights, the Google Nest Cam gets a clearer picture at night — the added lumens allowing for full-color night vision. This Nest Cam puts function over form 2021-11-14T05:00:00Z Its LEDs provide a total of 2,600 lumens and automatically turn off when the device senses daylight, as compared to 2,000 lumens and a 170-degree range in the Ring Floodlight Cam Wired Plus. The new Wyze Floodlight Cam offers a big field of view for a small price 2021-11-09T05:00:00Z The floodlight can output a very bright 2,400 lumens when needed, and the housing is IP65-rated to withstand the elements. Save on Google Nest products ahead of Black Friday 2021-11-02T04:00:00Z As just noted, the pancreas also has an exocrine function: most of its cells secrete pancreatic juice through the pancreatic and accessory ducts to the lumen of the small intestine. Anatomy and Physiology 2013-06-19T00:00:00Z Columnar epithelial cells absorb material from the lumen of the digestive tract to prepare the material for entry into the body. Biology for AP Courses 2022-06-09T00:00:00Z Powered by a large plug with a 14.7 foot cable, each Line emits 20 lumens, has a color temperature range of 1200K to 6500K, and can display more than 16 million colors. Nanoleaf’s new Lines are strips of smart lights for your walls 2021-10-14T04:00:00Z Image: Google Nest The Nest Cam with floodlight is essentially the indoor / outdoor Nest Cam attached to a 2400 lumen floodlight. Google Nest’s new wired Nest Cam and floodlight camera are now available 2021-10-05T04:00:00Z Rodriguez’s motion, if approved by the council, would direct the city attorney to draft an amendment to the ordinance to add strobe lights and stroboscopic lamps of any light source, color, frequency, intensity or lumens. L.A. City Council moves to ban strobe lights from protests and demonstrations 2021-08-17T04:00:00Z Iodide ions then move to the lumen of the follicle cells that border the colloid. Anatomy and Physiology 2013-06-19T00:00:00Z Another cell type—parietal cells—secretes hydrogen and chloride ions, which combine in the lumen to form hydrochloric acid, the primary acidic component of the stomach juices. Biology for AP Courses 2022-06-09T00:00:00Z Effectively, it’s a Nest Cam attached to a 2400 lumen floodlight. Google’s new Nest cameras and doorbell have lower prices and more smarts 2021-08-05T04:00:00Z “Brightness” is not a term generally recognized by scientists and researchers, who refer instead to lumens, or the output of a light. Blinded by Brighter Headlights? It’s Not Your Imagination. 2021-06-05T04:00:00Z She wore a waist light of 600 lumens, rather than a headlamp, which she said “created an orb of daylight in front of me on the trail.” Woman sets female record for 60-mile ‘Pitchell’ run in N.C. 2020-11-29T05:00:00Z Secretions into the lumen of the gastrointestinal tract, technically outside of the body, are of the exocrine category. Anatomy and Physiology 2013-06-19T00:00:00Z The hollow portion of the ER tubules is called the lumen or cisternal space. Biology for AP Courses 2022-06-09T00:00:00Z This set-up enabled the bacteria to interact with the type of cellular surface they would encounter in the lumen of the colon. A mutational signature that can be made by a bacterium arises in human colon cancer 2020-03-22T04:00:00Z “The lumen density, when it really aggregates and goes through the roof, that’s when our eyes will start to complain.” Blinded by Brighter Headlights? It’s Not Your Imagination. 2021-06-05T04:00:00Z This is separate from the brightness of a light, which is measured in lumens. How to design a tour good enough for Katy Perry, Taylor Swift, or J.Lo 2020-02-24T05:00:00Z As the cardiogenic cords develop, a lumen rapidly develops within them. Anatomy and Physiology 2013-06-19T00:00:00Z Those hydrogen atoms, plus the ones produced by splitting water, accumulate in the thylakoid lumen and will be used to synthesize ATP in a later step. Biology for AP Courses 2022-06-09T00:00:00Z Perhaps it does, to a degree, though the apparent belief that security is directly proportional to lumens seems pretty dubious. Opinion | In Search of Darkness 2020-02-21T05:00:00Z The headlights reach 600 lumens of brightness, and the taillights illuminate any time the user brakes the skateboard. Boosted rolls out squishier wheels for smoother, faster rides 2019-11-14T05:00:00Z When triggered, it produces 1,200 lumens, a little brighter than a typical 75-watt-equivalent LED light bulb. Smart Lights Enhance Home Security and Shine a Light on Crime 2019-09-19T04:00:00Z By moving food back and forth in the intestinal lumen, segmentation mixes food with digestive juices and facilitates absorption. Anatomy and Physiology 2013-06-19T00:00:00Z Ribosomes transfer their newly synthesized proteins into the lumen of the RER where they undergo structural modifications, such as folding or the acquisition of side chains. Biology for AP Courses 2022-06-09T00:00:00Z The interactive experience includes ghost stories, art and “lumen ramen,” just one of many foods that glow. Tacos 1986 opens in DTLA; Goat Mafia drops in on Echo Park 2019-06-24T04:00:00Z The bulbs are 800 lumens, and they allow for control of brightness and color temperature. Wyze’s next smart home product is an $8 light bulb 2019-05-21T04:00:00Z For spring camping, this lantern shines brightly at 75 lumens in “turbo” mode. 6 spring gadgets to help you enjoy the warmer weather 2019-03-30T04:00:00Z This distinguishes the small intestine from the stomach; that is, enzymatic digestion occurs not only in the lumen, but also on the luminal surfaces of the mucosal cells. Anatomy and Physiology 2013-06-19T00:00:00Z The transport vesicles that formed from the ER travel to the cis face, fuse with it, and empty their contents into the lumen of the Golgi apparatus. Biology for AP Courses 2022-06-09T00:00:00Z The tactical lantern lights up campgrounds or stops on the trail with 1,000 lumens of brightness. From Salon Marketplace: Prep for rugged adventures with these tactical flashlights 2019-01-26T05:00:00Z “The higher the lumen, the brighter the space,” Mr. Conway said. Goodbye, Showy Chandeliers. Hello, Low-Key Lighting That Transforms Rooms 2019-01-25T05:00:00Z But if danger strikes, this little fella will blast a whopping 650 lumens to scare off threats. Top tactical stocking stuffers gift guide 2018-12-20T05:00:00Z Most of the more than 700 species of these bacteria are nonpathogenic commensal organisms that cause no harm as long as they stay in the gut lumen. Anatomy and Physiology 2013-06-19T00:00:00Z The powerful 500 lumens light up the road, a dark hiking path, or the inner workings beneath the hood of your car like you’ve never seen before. From Salon Marketplace: This two-pack of ultra bright flashlights is only $15 2018-12-01T05:00:00Z Ulcerative colitis affects the colon, or large intestine, which comprises layers of tissue surrounding a lumen through which digested food passes. Gut reaction 2018-11-06T05:00:00Z Different bulbs require different wattage, but Mr. Conway cited 100 lumens per watt as a common level of efficiency, so that 1,600-lumen bulb burns a mere 16 watts of power. Goodbye, Showy Chandeliers. Hello, Low-Key Lighting That Transforms Rooms 2019-01-25T05:00:00Z When purchasing a projector, pay attention to how much light it emits, measured in lumens. Setting up an outdoor TV or projector has gotten easier 2018-09-11T04:00:00Z Dendritic cells open the tight junctions between epithelial cells and extend probes into the lumen to evaluate the microbial antigens. Anatomy and Physiology 2013-06-19T00:00:00Z It’s advertised to project at 550 lumens, and it’s definitely the brightest of the projectors we considered for this review. The best mini projector to take on the go 2018-06-15T04:00:00Z Dendritic cell Dendritic cells monitor the lumen for pathogenic species using long projections that span the epithelium. Gut reaction 2018-11-06T05:00:00Z The Arlo light’s max brightness is a blinding 400 lumens, but saves energy with a battery saver function to cycle between day / night cycles. Netgear is releasing its Arlo security light to catch intruders on your lawn 2018-05-15T04:00:00Z To get started you need to understand the most critical measurements, lumens, kelvin and the color rendering index. What to look for when buying light bulbs 2018-04-05T04:00:00Z This process triggers an IgA-mediated response, if warranted, in the lumen that blocks the commensal organisms from infiltrating the mucosa and setting off a far greater, widespread systematic reaction. Anatomy and Physiology 2013-06-19T00:00:00Z Keeping lights pointed down and using fewer lumens - a measurement of visible light -both help, he said. Group wants Bend internationally recognized for darkness 2018-04-06T04:00:00Z Tight junctions are disrupted, enabling microbes to cross from the lumen into the lamina propria. Gut reaction 2018-11-06T05:00:00Z Keeping lights pointed down and using fewer lumens — a measurement of visible light —both help, he said. Group wants Bend internationally recognized for darkness 2018-04-06T04:00:00Z To get an answer, he said, “unfortunately means learning what an lumen is.” What to look for when buying light bulbs 2018-04-05T04:00:00Z Therefore, chemical digestion in the large intestine occurs exclusively because of bacteria in the lumen of the colon. Anatomy and Physiology 2013-06-19T00:00:00Z The tops of the bulbs read “GTC” and include the wattage and lumens values. Recalls this week: electric blankets, halogen light bulbs 2018-03-30T04:00:00Z Suspended strings of lights with individual lamps larger than 15 lumens are prohibited under the ordinance, as are exposed bulbs visible from a property’s boundary. City ordinance means restaurants must darken outdoor lights 2018-03-29T04:00:00Z It also clocks in at only 100 lumens, making it competitive with only the most basic of pico projectors. Anker is now selling its Android projector-Bluetooth speaker combo for $349 2018-01-08T05:00:00Z A lumen measures quantity of light — how bright it is. What to look for when buying light bulbs 2018-04-05T04:00:00Z Na+/K+ ATPases on the basal membrane of a tubular cell constantly pump Na+ out of the cell, maintaining a strong electrochemical gradient for Na+ to move into the cell from the tubular lumen. Anatomy and Physiology 2013-06-19T00:00:00Z Cell-polarity dynamics controls the mechanism of lumen formation in epithelial morphogenesis. Pluripotent state transitions coordinate morphogenesis in mouse and human embryos 2017-11-28T05:00:00Z What’s more, the cells consistently took up phages on the side that in the body faces outward, for example toward the gut lumen, and released them on the opposite, inward-facing side. Does a sea of viruses inside our body help keep us healthy? 2017-11-21T05:00:00Z But at just 100 lumens bright, you'll need a dark room to fully enjoy the projected image. Anker's Android projector and Bluetooth speaker combo is no bigger than a soda can 2017-09-28T04:00:00Z “More lumens translate to more light,” said Shaun Fillion, who runs the Masters in Lighting Design program at the New York School of Design. What to look for when buying light bulbs 2018-04-05T04:00:00Z A Na+/K+/2Cl– symporter in the apical membrane passively allows these ions to enter the cell cytoplasm from the lumen of the loop down a concentration gradient created by the pump. Anatomy and Physiology 2013-06-19T00:00:00Z De novo lumen formation and elongation in the developing nephron: a central role for afadin in apical polarity. Pluripotent state transitions coordinate morphogenesis in mouse and human embryos 2017-11-28T05:00:00Z But Feierman added that HDR images looked darker, so projectors would be better off with at least 2,500 lumens of brightness. Sony now sells a true 4K projector for $5,000 2017-09-07T04:00:00Z The device also clocks in at 3,000 lumens, which is an impressive level of brightness for a portable projector of this size and cost. Anker’s Nebula Mars portable projector is the perfect display for the NES Classic 2017-08-22T04:00:00Z Watts are still listed on bulb labels, but watts and lumens aren’t related the way they used to be. What to look for when buying light bulbs 2018-04-05T04:00:00Z When aldosterone causes a recovery of Na+ in the nephron, a negative electrical gradient is created that promotes the secretion of K+ and Cl– into the lumen. Anatomy and Physiology 2013-06-19T00:00:00Z A molecular network for de novo generation of the apical surface and lumen. Pluripotent state transitions coordinate morphogenesis in mouse and human embryos 2017-11-28T05:00:00Z From there, we can assume that 10 million fireflies, if producing a similar amount of light as the West Indian elaterid beetle, would produce around 6,000 lumens of light. Fact-checking Owl City’s description of being hugged by 10,000 fireflies 2017-06-21T04:00:00Z He wore a wetsuit, a drysuit, a dive hood, and an orange kayaking helmet affixed with a waterproof headlamp, whose ten thousand lumens would afford him six inches of visibility under the murky water. A Prehistoric Killer, Buried in Muck 2017-03-05T05:00:00Z If you can’t deal with lumens, McGowan said, a rule of thumb is to divide the wattage of an incandescent bulb you are replacing by four to get something equivalent in an LED bulb. What to look for when buying light bulbs 2018-04-05T04:00:00Z Current flowing toward the uterus is generated by coordinated beating of the cilia that line the outside and lumen of the length of the uterine tube. Anatomy and Physiology 2013-06-19T00:00:00Z Those 60 hours of work would produce 1,000 lumen hours of light. Why the falling cost of light matters - BBC News 2017-02-05T05:00:00Z With 1,500 precisely targeted lumens, Oculus bike lights literally outshine car lights. Cool wheels! Here's a look at bike trends for 2017 2017-01-26T05:00:00Z And assuming you do figure out how specs like lumens and color temperature apply to your needs, there’s the question of light quality. Lighting Designers on the Best LED Lightbulbs You Can Buy 2016-12-15T05:00:00Z While the LB120 is also rated at 800 lumens, it does allow you to adjust the color temperature between warm and cool as you please. TP-Link releases three Alexa-compatible smart light bulbs 2016-09-13T04:00:00Z The endometrium contains a connective tissue lining, the lamina propria, which is covered by epithelial tissue that lines the lumen. Anatomy and Physiology 2013-06-19T00:00:00Z Built for backpackers, this 210 lumen lantern is small and light. 7 Gadgets That Should Be in Your Emergency Kit 2016-08-17T04:00:00Z It uses lasers—or a laser — to project an image that is always in focus and, despite a "low" lumen rating of around 32, looks so, so good when you're using it. Sony’s portable laser projector is everything I loved about the old Sony 2016-08-06T04:00:00Z The brightness of an LED bulb is measured in lumens, but on most packages, the most prominent metric will be something like “40w,” “60w” or “100w,” often followed by the word “replacement” in tiny letters. Lighting Designers on the Best LED Lightbulbs You Can Buy 2016-12-15T05:00:00Z All of these bulbs are noticeably more costly than the GE Link smart bulb, which at 800 lumens matches the output of the LB110 for nearly half the price. TP-Link releases three Alexa-compatible smart light bulbs 2016-09-13T04:00:00Z In contrast, the thicker stratum functionalis layer contains the glandular portion of the lamina propria and the endothelial tissue that lines the uterine lumen. Anatomy and Physiology 2013-06-19T00:00:00Z The microbiota resides in the lumen and the outer mucus layer of the intestine. Interactions between the microbiota and pathogenic bacteria in the gut : Nature : Nature Publishing Group 2016-07-05T04:00:00Z Mucosal IgA is secreted across the epithelium by binding to the polymeric immunoglobulin receptor, after which it binds to microbes, various components of the diet and to antigens in the lumen of the intestine. The microbiota in adaptive immune homeostasis and disease : Nature : Nature Publishing Group 2016-07-05T04:00:00Z It remains to be seen whether the use of LEDs means a further profusion of light like Times Square as cheap lumens proliferate—like what happened during the 20th century after Thomas Edison's invention. The Clean-Energy Revolution Gathers Speed 2015-11-18T05:00:00Z Sony is claiming 1,500 lumens, which is pretty average for home theater projectors. Sony VPL-VW350ES 4K Projector Preview 2015-01-05T05:00:00Z The clusters can change in size depending on the amount of milk in the alveolar lumen. Anatomy and Physiology 2013-06-19T00:00:00Z The microbiota affects the availability of neurotransmitters in the intestinal lumen, as well as their biosynthesis. Interactions between the microbiota and pathogenic bacteria in the gut : Nature : Nature Publishing Group 2016-07-05T04:00:00Z In both pathways, the gut microbiota affects the accumulation of cells that express IgA as well as the level and diversity of IgA in the lumen. The microbiota in adaptive immune homeostasis and disease : Nature : Nature Publishing Group 2016-07-05T04:00:00Z With the A19 and A21 LED bulbs, the lumen numbers are nearly the same for each wattage equivalent across all manufacturers. Picking the right bulb makes all the difference with LED options 2014-12-18T05:00:00Z It’s capable of projecting on screens up to 50 inches at 40-50 lumens — the room doesn’t need to be totally dark to use it, but that will help the image look clearer. Hands On: New Lenovo Tablet Sports a Built-in Projector 2014-10-10T04:00:00Z As their own lumen averages just 30 micrometers or less, arterioles are critical in slowing down—or resisting—blood flow. Anatomy and Physiology 2013-06-19T00:00:00Z A fraction of these recruited neutrophils migrate into the lumen of the intestine — a diagnostic marker of inflammatory diarrhoea104. Interactions between the microbiota and pathogenic bacteria in the gut : Nature : Nature Publishing Group 2016-07-05T04:00:00Z These members degrade both IgA and a peptide that is required for the stability of IgA in the lumen, known as secretory component. The microbiota in adaptive immune homeostasis and disease : Nature : Nature Publishing Group 2016-07-05T04:00:00Z The lumen number is always on the front of the packaging in big print. Picking the right bulb makes all the difference with LED options 2014-12-18T05:00:00Z A traditional 60 watt incandescent bulb would produce about 750 to 1,000 lumens - a measure of lighting power - but 95% of the energy used to create that light would typically be wasted in heat. Energy-saving technologies cut costs 2014-05-08T23:12:19Z The large lumens and relatively thin walls of veins make them far more distensible than arteries; thus, they are said to be capacitance vessels. Anatomy and Physiology 2013-06-19T00:00:00Z A 200 lumen rating may not seem like much, especially when many $500 projectors are 3,500 lumens or more, but in the pocket projector category, that’s a lot. Asus S1 Review: Pretty Pico Pocket Projector 2014-05-07T18:20:00Z “Keep the light as low to the ground as possible, keep the lumens as low as possible, keep the light shielded and keep the wavelength long.” Sea Turtle Hatchlings Saved by LED Lights Funded by Deepwater Horizon Fines 2014-05-01T13:49:52Z The differences are very noticeable, and the higher temperatures appear to be brighter even when the lumen number is the same. Picking the right bulb makes all the difference with LED options 2014-12-18T05:00:00Z Apple, on the other hand, has always valued color fidelity and subtlety of detail over pure lumens and pixel density. Pebble Is Winning The Wearables War and What That Means For The iWatch 2014-04-19T13:00:00Z The more rounded the lumen, the less surface area the blood encounters, and the less resistance the vessel offers. Anatomy and Physiology 2013-06-19T00:00:00Z We identified six physical 'laws' in the manuscript, including the interaction of light and matter, the critical criteria for perfection, and the re-radiation and absorption of lumen. History: A medieval multiverse 2014-03-12T18:50:34.997Z Silencing this gene in cultured mouse or human mammary tumor spheroids resulted in increased acinar lumen formation, reduced tumor cell proliferation, and restoration of normal epithelial polarization. [Research Articles] Silencing HoxA1 by Intraductal Injection of siRNA Lipidoid Nanoparticles Prevents Mammary Tumor Progression in Mice 2014-01-01T19:25:05.762Z These standards will require new bulbs to consume roughly 75% of the energy required to produce the same lumen output as their traditional and now outdated brethren. How Walmart Brought Low-Cost LEDs To The Mass Market 2013-11-05T13:17:00Z With 200 lumens of power, the lamp is perfect for hikers, bikers and late-night striped bass fishermen. The Best New Outdoor Gear For Spring And Summer 2013 2013-04-24T17:49:06Z Spaces appear on the blood islands that develop into vessel lumens. Anatomy and Physiology 2013-06-19T00:00:00Z The underlying pathophysiological mechanism is unknown, but evidence suggests that pancreatic enzymes in the intestinal lumen autodigest the intestine and generate systemic inflammation. [Research Articles] Pancreatic Digestive Enzyme Blockade in the Intestine Increases Survival After Experimental Shock 2013-01-23T19:55:07.367Z With a 300 lumens bulb, your PowerPoint slides will look bright and clear. Best Business Gadgets of 2012 2012-12-10T18:38:00Z Instead of thinking in “watts,” which measure the amount of power going into a bulb, they henceforth must think in “lumens,” which measure the amount of light produced. The 75-Watt Bulb Has a Dim Future 2012-11-30T10:57:09Z They had seen tiny night-light LEDs, topping out at 10-15 lumens per watt, and thought the technology could grow out of the niche market and into general lighting. GE's Latest LED Acquisition: Albeo Technologies 2012-11-27T19:20:34Z These cells allow the body to sample potential pathogens from the intestinal lumen. Anatomy and Physiology 2013-06-19T00:00:00Z This is, in part, owing to the more vigorous peristaltic motility of the proximal small intestine, which rapidly clears material, including microbes, from the lumen. Reciprocal interactions of the intestinal microbiota and immune system 2012-09-13T11:20:55.227Z It generates 130 lumens with a distance of 270 feet to brighten up the darkest trails for up to two hours. A Father's Day gift guide for outdoor-minded dads 2012-06-09T03:35:04Z Explains Higbee: “A more efficient bulb will require fewer watts to produce the same amount of lumens as a less-efficient bulb.” The 75-Watt Bulb Has a Dim Future 2012-11-30T10:57:09Z When it first launched, LEDs’ lumen output was too low to sell to the industrial market, so it initially began selling to the residential market in 2005. GE's Latest LED Acquisition: Albeo Technologies 2012-11-27T19:20:34Z Germ cell development progresses from the basement membrane—at the perimeter of the tubule—toward the lumen. Anatomy and Physiology 2013-06-19T00:00:00Z The intima of these vessels was in places so swollen as to resemble cylindrical or spindle-shaped hyaline masses, and cause narrowing of the lumina of the vessels in which this degeneration occurred. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z In Conifers the stoppage of the lumina is increased by deposition of resin, which also soaks into the cell-walls and the wounded wood becomes semi-translucent owing to the infiltration. Disease in Plants 2012-03-01T03:00:22Z All Riata leads are designed with a silicone core structure with four or three lumens. Guest Post: More Lessons From the Riata ICD Lead Recall 2012-02-22T16:49:28Z Definite sensory cells are also present with rod-like structures projecting into the lumen of the vesicle. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8 "Cube" to "Daguerre, Louis" 2012-01-31T03:00:17.257Z The fifth stage of germ cell formation—spermatozoa, or formed sperm—is the end result of this process, which occurs in the portion of the tubule nearest the lumen. Anatomy and Physiology 2013-06-19T00:00:00Z The internal coat was plicated, as if too large for the lumen. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z In other cases Fungi, and even Bacteria, have been found to have made their way into the principal vessels, the lumina of which they stop up, thus reducing the transpiration current. Disease in Plants 2012-03-01T03:00:22Z Within each of these lumens are two conductor cables. Guest Post: More Lessons From the Riata ICD Lead Recall 2012-02-22T16:49:28Z The secondary wood of Ephedra consists of tracheids, vessels and parenchyma; the vessels are characterized by their wide lumen and by the large simple or slightly-bordered pits on their oblique end-walls. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 7 "Gyantse" to "Hallel" 2011-12-26T03:00:11.613Z Note the differences in the relative size of the lumens, the region inside each ventricle where the blood is contained. Anatomy and Physiology 2013-06-19T00:00:00Z The inevitable result is softening of the portion farthest from the lumen of the vessel. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z Nuclei of Sertoli cells, which outnumber the spermatogonia, are evident at the periphery of the tubules and the clear cytoplasm of the cells extends into and nearly fills the lumina. Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz 2011-10-01T02:00:30.200Z This leads to a muscular oesophagus with a triradiate lumen, which acts as a sucking pump and ends in a funnel-valve projecting into the stomach. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 "Gassendi, Pierre" to "Geocentric" 2011-09-02T02:00:20.450Z Salzman expects LED prices to drop to about a quarter of a cent a lumen by the end of 2012 from 1 cent now. LED Lighting Prices to ‘Plummet’ By 2015, VantagePoint CEO Says 2011-06-16T09:06:14Z Beginning around week 13, the lumens of the bronchi begin to expand in diameter. Anatomy and Physiology 2013-06-19T00:00:00Z Any agent which acts to produce thickening of the walls of the arterioles, narrowing their lumina, produces the same effect. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z By late August, clusters of sperm and metamorphosing spermatids surround the Sertoli cells; large numbers of sperm as well as sloughed cells representing various spermatogenic stages are present in the lumina. Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz 2011-10-01T02:00:30.200Z And it is squeezing brighter images from its projectors, a feature measured in lumens per watt. TI Says Pico Projectors Poised For Mobile Phone Resurgence 2011-04-27T02:44:54Z It will use less energy and produce as much as 1,700 lumens. LED Lighting Prices to ‘Plummet’ By 2015, VantagePoint CEO Says 2011-06-16T09:06:14Z Interspersed among its epithelial cells are goblet cells, which secrete mucus and fluid into the lumen, and enteroendocrine cells, which secrete hormones into the interstitial spaces between cells. Anatomy and Physiology 2013-06-19T00:00:00Z It was essential for the even distribution of blood that the lumen be restored to its former size. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z Sperm are present in small groups within the sustentacular cytoplasm, but ordinarily are absent in the lumina. Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz 2011-10-01T02:00:30.200Z This is because the wall of the wood cells is very thick, and the lumina are small. Wood and Forest 2011-03-01T03:00:42.647Z In the second main variety of gland the secretory portion is enlarged and the lumen variously increased in size. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 6 "English Language" to "Epsom Salts" 2011-02-19T03:00:59.807Z They transport the protein and carbohydrate nutrients absorbed by mucosal cells after food is digested in the lumen. Anatomy and Physiology 2013-06-19T00:00:00Z II, with postmortem rigor and contraction of the muscles of the media and removal of the blood pressure from within, the stretched media at M'' contracts; the intimal thickening thus projects into the arterial lumen. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z The lumina are filled with cellular detritus and are no longer bordered by a clear ring of sustentacular cytoplasm. Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz 2011-10-01T02:00:30.200Z The Federal Trade Commission is proposing that labels for all light bulbs put brightness - measured in lumens - at the top, with watts below under "energy used." Lighting switch requires a change in mind-set 2011-01-30T23:29:01Z The bulb consumes less than 10 watts while boasting an output of more than 800 lumens. Whitest, brightest light bulb unveiled 2011-01-28T19:34:01Z There, most nutrients are absorbed from the lumen of the alimentary canal into the bloodstream through the epithelial cells that make up the mucosa. Anatomy and Physiology 2013-06-19T00:00:00Z Such a deposition of layer upon layer of cells in an arteriole and the resulting fibrosis leads to the condition of disappearance of the lumen of the vessel, endarteritis obliterans. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z Its LED lamps run cool, never need replacing and puts out 30 lumens. State of the Art: Spotlight on Little Gadgets 2010-10-13T21:52:00Z First, much better brightness — 20 lumens instead of 10. State of the Art: Clear Trend In Pocket Projectors 2010-02-25T00:21:00Z Celsius and Linnæus were complimented with the title of lumina academiæ, on account of their great learning and reputation. Lives of Eminent Zoologists, from Aristotle to Linnæus with Introductory remarks on the Study of Natural History With a lumen averaging 30 micrometers or less in diameter, arterioles are critical in slowing down—or resisting—blood flow and, thus, causing a substantial drop in blood pressure. Anatomy and Physiology 2013-06-19T00:00:00Z The anterior coronary artery is shown, the lumen narrowed. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z The Polychaeta, however, present us with another form of nephridium seen, for example, in Arenicola, where a large funnel leads into a short and wide excretory tube whose lumen is intercellular. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" Also, in a figurative sense, lumen denotes distinction, lux only clearness. Döderlein's Hand-book of Latin Synonymes Dr. Rostafinski called the large open meshes of the net 'oka', eyes; lumina let us say! quite uniform they are in 9 and 10, much less so in 8. The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species The diameter of a capillary lumen ranges from 5–10 micrometers; the smallest are just barely wide enough for an erythrocyte to squeeze through. Anatomy and Physiology 2013-06-19T00:00:00Z The changes in the intima constitute the effort on the part of nature to repair a defect in the vessel wall which is to compensate for the weakened media and the widened lumen. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z Externally, the nephridium opens by a vesicle, as in many Oligochaetes whose lumen is intercellular. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" Enlarged postpharyngeal lymphatic glands are not rare in tuberculosis, and by pressing upon the wall of the pharynx and restricting the lumen of this organ they cause difficulty in both breathing and swallowing. Special Report on Diseases of Cattle Michælis established the interesting fact, that on interrupting lactation in suckling guinea-pigs, in the course of a few days numerous eosinophil cells collect in the mammary glands, but not in the lumen of the canaliculi. Histology of the Blood Normal and Pathological Each type of vessel has a lumen—a hollow passageway through which blood flows. Anatomy and Physiology 2013-06-19T00:00:00Z Such, for example, is the necessity of the eye for seeing, of wings for flying, of grace for performing salutary acts, of the lumen gloriae for the beatific vision. Grace, Actual and Habitual A Dogmatic Treatise In Polynoe the nephridia are short tubes with a slightly folded funnel whose lumen is intercellular, and this intercellular lumen is characteristic of the Polychaetes as contrasted with leeches and Oligochaetes. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" Those lumina mundi believe that the people will forget their records. Diary from November 12, 1862, to October 18, 1863 Spasm of the Muscular Coat.—As in other tubular structures containing circular muscular fibres, sudden contraction or spasm may occur in the œsophagus and cause narrowing of the lumen, attended with difficulty in swallowing. Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. Arteries have smaller lumens than veins, a characteristic that helps to maintain the pressure of blood moving through the system. Anatomy and Physiology 2013-06-19T00:00:00Z Remove any gelatine from the lumen of the tube with a heated platinum needle; paint the joint between capsule and tube with moderately thick celloidin and allow to dry. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. Essentially, a nephridium is a tube, generally very long and much folded upon itself, composed of a string of cells placed end to end in which the continuous lumen is excavated. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" The large swollen cells are granular, and very frequently there is a granular mass in the lumen of the tubule. Alcohol: A Dangerous and Unnecessary Medicine, How and Why What Medical Writers Say A filiform, tortuous shadow of the bismuth may be continued downwards and show up the lumen of the stricture. Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. Together, their thicker walls and smaller diameters give arterial lumens a more rounded appearance in cross section than the lumens of veins. Anatomy and Physiology 2013-06-19T00:00:00Z The gray light of the waning moon, sifting through the boughs, was the true lumina for reverie. The Mascot of Sweet Briar Gulch Frequently the lumen is branched and may form a complicated anastomosing network in these cells. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" In some cases the cells are so much swollen that the lumen of the tubule is represented merely by a ‘star-shaped’ radiating chink. Alcohol: A Dangerous and Unnecessary Medicine, How and Why What Medical Writers Say Impaction of wax causes deafness only when the lumen of the auditory canal becomes completely occluded by the plug. Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. Their walls are considerably thinner and their lumens are correspondingly larger in diameter, allowing more blood to flow with less vessel resistance. Anatomy and Physiology 2013-06-19T00:00:00Z The next section caudad to this shows the thyroid as a round, compact mass of cells, with a very small lumen, still closely fused with the bottom of the oral groove. Development of the Digestive Canal of the American Alligator Nephridia.—The nephridia in this group are invariably coiled tubes with an intracellular lumen and nearly invariably open into the coelom by a funnel. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" The wall of the ascending colon was generally thickened, and from this, in three places, openings with rounded margins connected the abscess cavities with the lumen of the bowel. Surgical Experiences in South Africa, 1899-1900 Being Mainly a Clinical Study of the Nature and Effects of Injuries Produced by Bullets of Small Calibre Clear viscous fluid exudes from it, and, when the fistula is complete and the lumen sufficiently wide, particles of food may escape. Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. Since blood passes through the larger vessels relatively quickly, there is limited opportunity for blood in the lumen of the vessel to provide nourishment to or remove waste from the vessel’s cells. Anatomy and Physiology 2013-06-19T00:00:00Z Its walls are thick, and its lumen is almost obliterated by the longitudinal folds of the mucosa, mentioned above. Development of the Digestive Canal of the American Alligator Externally, the nephridium opens by a straight part of the tube, which is often very wide, and here the intracellular lumen becomes intercellular. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" Given primary union, these conditions are only of importance in so far as subsequent contraction of the lumen of the vessel may result from implication in the neighbouring cicatrix. Surgical Experiences in South Africa, 1899-1900 Being Mainly a Clinical Study of the Nature and Effects of Injuries Produced by Bullets of Small Calibre The mechanism of production is, probably, the passage of air by a foreign body which narrows the lumen of a large bronchus. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery In addition, many veins, particularly in the lower limbs, contain valves formed by sections of thickened endothelium that are reinforced with connective tissue, extending into the lumen. Anatomy and Physiology 2013-06-19T00:00:00Z The lumen may, in this embryo, be traced for only a few sections, caudad to which the thyroid is seen as a small, solid mass of cells unattached to the oral groove. Development of the Digestive Canal of the American Alligator It is by no means certain that a hard and fast line can be drawn between intra- and intercellular lumina. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" In one instance of ligature of the anterior tibial artery for such hæmorrhage three-quarters of the whole lumen of the vessel had been devitalised. Surgical Experiences in South Africa, 1899-1900 Being Mainly a Clinical Study of the Nature and Effects of Injuries Produced by Bullets of Small Calibre It tends to work downward and outward, while the mucosa becomes edematous, partly closing over the foreign body, and even completely obliterating the lumen of smaller bronchi. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery Contraction and relaxation of the circular muscles decrease and increase the diameter of the vessel lumen, respectively. Anatomy and Physiology 2013-06-19T00:00:00Z As has been said, the oesophagus here has no lumen, and when examined under high magnification its walls are found to be completely 12 fused, not merely in close contact. Development of the Digestive Canal of the American Alligator They are also well supplied with nerves, which regulate the size of the lumen by inducing contraction or relaxation of the muscular coat. Manual of Surgery Volume First: General Surgery. Sixth Edition. The best practice now deals with the total light output, which is expressed in lumens, and on this basis a consumption of one gallon of kerosene per hour would yield about 8000 lumens. Artificial Light Its Influence upon Civilization If the point be found free, it should be worked into the lumen of the bronchoscope by manipulation with the lip of the tube. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery The walls of veins are thin but irregular; thus, when the smooth muscle in those walls constricts, the lumen becomes more rounded. Anatomy and Physiology 2013-06-19T00:00:00Z Owing to its thin walls and small lumen the allantois was traced only a short distance into the umbilical stalk. Development of the Digestive Canal of the American Alligator A clot then forms between the lips of the wound in the vessel wall and projects for a short distance into the lumen, without, however, materially interfering with the flow through the vessel. Manual of Surgery Volume First: General Surgery. Sixth Edition. A lumen is the quantity of light which falls on one square foot if the intensity of illumination is one foot-candle. Artificial Light Its Influence upon Civilization The point of a tack rarely projects freely into the lumen as here shown. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery The venous system is a lower-pressure system, containing veins that have larger lumens and thinner walls. Anatomy and Physiology 2013-06-19T00:00:00Z To think from this lumen in reasoning about spiritual and Divine things, is like thinking from the thick darkness of night about those things that appear only in the light of day. Angelic Wisdom Concerning the Divine Love and the Divine Wisdom Hæmorrhage is seldom a prominent feature, as the crushing or tearing of the vessel wall leads to the obliteration of the lumen. Manual of Surgery Volume First: General Surgery. Sixth Edition. Modern illuminants have luminous efficiencies ranging from 5 to 30 lumens per watt, so it is seen that much is to be done before the limiting efficiencies are reached. Artificial Light Its Influence upon Civilization With the esophagoscope, the string is not necessary, because the lumen of the stricture can be exposed to view by the esophagoscope. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery Notice that the epithelium is in direct contact with the lumen, the space inside the alimentary canal. Anatomy and Physiology 2013-06-19T00:00:00Z But when you let your thought down into the natural lumen which derives from space, will not these things be seen as paradoxes? and if you let it down far, will you not reject them? Angelic Wisdom Concerning the Divine Love and the Divine Wisdom The elements of the vessel wall are destroyed by suppuration, and the thrombus in its lumen becomes infected with pyogenic bacteria and undergoes softening. Manual of Surgery Volume First: General Surgery. Sixth Edition. These lamps have been developed to meet a variety of needs and their luminous efficiencies range from 20 to 40 lumens per watt, being several times that of the ordinary carbon open-arc. Artificial Light Its Influence upon Civilization A soft rubber stomach-tube is pulled up from below and left in situ, being replaced at intervals by a fresh one, pulled up from the stomach, until epithelialization of the new lumen is complete. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery The apical surface is the one facing the lumen or open space of a cavity or tube, in this case, the inside of the PCT. Anatomy and Physiology 2013-06-19T00:00:00Z For if this were said, the merely natural lumen would not assent. Angelic Wisdom Concerning the Divine Love and the Divine Wisdom Arterio-sclerosis or Chronic Arteritis.—These terms are applied to certain changes which result in narrowing of the lumen and loss of elasticity in the arteries. Manual of Surgery Volume First: General Surgery. Sixth Edition. This lamp, known as the magnetite-arc, has a luminous efficiency of about 20 lumens per watt with a clear glass globe. Artificial Light Its Influence upon Civilization B, Five minutes later; the masses have now closed the lumen almost completely. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery At the same time this is occurring, a Na+/H+ antiporter excretes H+ into the lumen, while it recovers Na+. Anatomy and Physiology 2013-06-19T00:00:00Z A, lumen of intestine filled with digested food. The Story of the Living Machine A Review of the Conclusions of Modern Biology in Regard to the Mechanism Which Controls the Phenomena of Living Activity This does not necessarily result in thrombosis in the vessel, or in obliteration of its lumen. Manual of Surgery Volume First: General Surgery. Sixth Edition. This is the satisfactory unit, for it measures total quantity of light, and luminous efficiencies may be expressed in terms of lumens per watt, lumens per cubic foot of gas per hour, etc. Artificial Light Its Influence upon Civilization Accumulation of secretions or exudate in the lumen. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery This charge promotes the movement of negative ions toward the interstitial spaces and the movement of positive ions toward the lumen. Anatomy and Physiology 2013-06-19T00:00:00Z Probably in the majority of instances there is insufficient obstruction of the lumina of vessels to provoke noticeable inconvenience. Lameness of the Horse Veterinary Practitioners' Series, No. 1 Repair of a Vessel ligated in its Continuity.—When a ligature is applied to an artery it should be pulled sufficiently tight to occlude the lumen without causing rupture of its coats. Manual of Surgery Volume First: General Surgery. Sixth Edition. In a similar manner, lumens output multiplied by hours of operation give the lumen-hours. Artificial Light Its Influence upon Civilization A Adult's size; B, child's size; C, infant's diagnostic size; D, anterior commissure laryngoscope; E, with drainage canal; 17, intubating laryngoscope, large lumen. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery Therefore, in comparison to the lumen of the loop, the interstitial space is now a negatively charged environment. Anatomy and Physiology 2013-06-19T00:00:00Z Etiology.—Inflammation of the vessel walls and resultant prolifieration of tissue together with the accumulation of clotted blood becoming organized, serve to obstruct the lumen of the affected artery. Lameness of the Horse Veterinary Practitioners' Series, No. 1 The object is to tear the inner and middle coats so that they curl up inside the lumen, while the outer fibrous coat is twisted into a cord which occludes the end of the vessel. Manual of Surgery Volume First: General Surgery. Sixth Edition. A standard candle may be considered to emit an amount of light approximately equal to 10 lumens. Artificial Light Its Influence upon Civilization The bronchial lumen was narrowed only as much as it would be, with the same degree of cough, in any patient not subject to asthma. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery Originally, it consists of a pair of strands called cardiogenic cords that quickly form a hollow lumen and are referred to as endocardial tubes. Anatomy and Physiology 2013-06-19T00:00:00Z Where the lumen of the affected vessel is not completely occluded, there may be no manifestation of lameness when the ailing animal is moderately exercised. Lameness of the Horse Veterinary Practitioners' Series, No. 1 Thrombosis is liable to occur when calcareous plates are exposed in the lumen of the vessel by destruction of the endothelium, and this predisposes to embolism. Manual of Surgery Volume First: General Surgery. Sixth Edition. The intestinal canal is a tube with various dilatations and constrictions, but at no spot except the pylorus does the constriction completely obliterate the lumen of the tube, and here only periodically. Scientific American Supplement, No. 613, October 1, 1887 In a number of instances, the entire lumen of the bronchus was occluded by cheesy pus and debris of a peribronchial gland which had eroded through. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery Until recently, the endothelium was viewed simply as the boundary between the blood in the lumen and the walls of the vessels. Anatomy and Physiology 2013-06-19T00:00:00Z In the Roman church, according to cardinal Gaetani, the last of the Cardinal priests usually blessed the fire, and the last Card. deacon lighted the lumen Christi, or triple candle, and the Paschal candle. The Ceremonies of the Holy-Week at Rome It is used at a dull-red heat, which sears the divided ends of the vessel and so occludes the lumen. Manual of Surgery Volume First: General Surgery. Sixth Edition. But his wit is not always a lumen siccum, a dry faculty of surprising; on the contrary, his conceits are oftentimes deeply steeped in human feeling and passion. The Works of Charles Lamb in Four Volumes, Volume 4 Functional cure is obtained with a relatively small lumen at the point of stenosis. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery Specifically in arteries, vasoconstriction decreases blood flow as the smooth muscle in the walls of the tunica media contracts, making the lumen narrower and increasing blood pressure. Anatomy and Physiology 2013-06-19T00:00:00Z For so long as a man is in the lumen of the natural man only he is like one shut up in a chamber where he sees by a candle. Spiritual Life and the Word of God In lymph vessels the cancer cells may merely accumulate so as to fill the lumen and form indurated cords, or they may proliferate and give rise to secondary nodules along the course of the vessels. Manual of Surgery Volume First: General Surgery. Sixth Edition. Ennius of old has observed, that lumen de lumine, to light my candle at my neighbour's lamp, is one of the privileges that the practices of civil society concede. Thoughts on Man, His Nature, Productions and Discoveries Interspersed with Some Particulars Respecting the Author It is unwise and unsafe to attempt to restore the lumen to its normal anatomic size. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery Similarly, vasodilation increases blood flow as the smooth muscle relaxes, allowing the lumen to widen and blood pressure to drop. Anatomy and Physiology 2013-06-19T00:00:00Z At the end of each twig is a membrane pierced by pores, and a number of cilia depend into the lumen of the tube; these cilia maintain a constant motion. The Project Gutenberg Encyclopedia Volume 1 of 28 When the lumen of a tubular organ, such as the appendix or the Fallopian tube is blocked also, the action of pyogenic organisms is favoured and suppuration ensues. Manual of Surgery Volume First: General Surgery. Sixth Edition. The tendency is for the blood stream to become sluggish, deposits gradually forming in the walls of the blood-vessels, which make them less elastic and decrease the size of the lumen. Maintaining Health Formerly Health and Efficiency A, Immediately after removal of the intubation tube; hypertrophies like turbinals are seen projecting into the subglottic lumen. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery An elastic artery is also known as a conducting artery, because the large diameter of the lumen enables it to accept a large volume of blood from the heart and conduct it to smaller branches. Anatomy and Physiology 2013-06-19T00:00:00Z For what is not to our interest mostly seems absurd to us; our intellect being no siccum lumen. The Essays of Arthur Schopenhauer; the Art of Controversy Other causes given are: Edema and congestion closing the lumen of the appendix, thus preventing drainage; constipation; digestive disturbances; traumatism; eating too freely while in an exhausted condition. Appendicitis Heraclitus had preferred the "dry soul," or the "dry light" in it, as Bacon after him the siccum lumen. Plato and Platonism Hard rubber tubes cannot be boiled, the walls are so thick as to leave too little lumen, and the rubber is irritating to the tissues. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery The influence of lumen diameter on resistance is dramatic: A slight increase or decrease in diameter causes a huge decrease or increase in resistance. Anatomy and Physiology 2013-06-19T00:00:00Z Scleroma of the trachea is characterized by infiltration of the tracheal mucosa, which greatly narrows the lumen. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery Or the constipation may be of a nature that evacuations, such as the patient has been having, have been passing through the center, leaving a coating on the lumen, but hollowed out in the center. Appendicitis Etiology.—Causes of a relatively sudden narrowing of the lumen of the larynx and subjacent trachea are included in the following list. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery This rule does not apply to chronic laryngeal stenosis, for while the lumen under ordinary conditions might be ample, a slight degree of inflammation might render it dangerously small. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery In addition, constriction causes the vessel lumen to become more rounded, decreasing resistance and increasing blood flow. Anatomy and Physiology 2013-06-19T00:00:00Z When all is clear, a fresh sterile cannula which has been carefully inspected to see that its lumen has been thoroughly cleaned, is inserted, and its tapes tied. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery The normal glottis in the newborn is relatively narrow, so that even slight encroachment on its lumen produces a serious degree of dyspnea. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery A most common picture in tuberculosis is a broadening of the carina, which may be so marked as to obliterate the carina and to bulge inward, producing deformed lumina in both bronchi. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery With the tracheal lumen thus opened, a cannula of proper size is introduced with absolute certainty of its having entered the trachea. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery Prognosis.—Spontaneous recovery from cicatricial stenosis probably never occurs, and the mortality of untreated small lumen strictures is very high. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery Compression stenosis of the esophagus is characterized by the sudden transition of the lumen to a linear or crescentic outline, while the covering mucosa is normal unless esophagitis be present. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery The lodgment of an unusually large bolus of unmasticated food may set up an esophagitis the swelling of which may completely close the lumen of the congenitally narrow esophagus. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery The endoscopic picture of compression stenosis is that of an elliptical or scabbard-shaped lumen when the bronchus is at rest or during inspiration. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery Progressively larger sizes of rubber tubing are used as the laryngeal lumen increases in size under the absorptive influence of the continuous elastic pressure of the rubber. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery The lumen may assume various shapes, or be so tightly closed that the folds form a mammilliform projection in the center. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery Many cases of intermittent esophageal stenosis supposed to be spasmodic are due to organic narrowness of lumen plus lodgement of food, obstructive in itself and in the esophagitis resulting from its presence. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery Static esophagitis results in a swelling of the esophageal walls and a narrowing of the lumen, so that swallowing is more or less troublesome until the esophagitis subsides. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery A lumen of 7 mm. will allow the passage of any well masticated food. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery Folds of swollen mucosa crowd into the lumen if the inflammation is intense. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery It may also be present with any foreign body whose size and shape are such as to occlude the lumen of the bronchus during its contracted expiratory phase. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery Any well masticated solid food can be swallowed through a lumen 5 millimeters in diameter. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery Bouginage of a malignant esophagus to increase temporarily the size of the stenosed lumen is of questionable advisability, and is attended with the great risk of perforating the weakened esophageal wall. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery Any sort of lumen can be enlarged so any well masticated food can be swallowed. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery If the amount of scar tissue is small, the lumen maintains its mobility; opens and closes during respiration, cough, and vomiturition. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery Endoscopically, the wall is seen to bulge in from one side causing a crescentic picture, or compression of opposite walls may cause a "scabbard" or pear shaped lumen. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery A few of the anatomical details must be kept especially in mind when it is desired to introduce straight and rigid instruments down the lumen of the gullet. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery After the levels of the aorta and left bronchus are passed the lumen of the esophagus seems to have a tendency to disappear anteriorly. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery While the lumina of the individual bronchi diminish as the bronchi divide, the sum of the areas shows a progressive increase in total tubular area of cross-section. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery It is rarely possible to see the lumen of the second stricture, because it is usually eccentric to the first. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery The inspiratory enlargement of lumen opens up the forceps spaces, and the facile bronchoscopist avails himself of the opportunity to seize the foreign body. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery A lumen image of the right upper-lobe bronchus is not obtainable because of the sharp angles at which it is given off. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery Branches of the stem bronchus in either lung are exposed, or their respective lumina presented, by manipulation of the lip of the bronchoscope, with movement of the head in the required direction. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery It will then be found to glide readily through the right pyriform sinus for 2 or 3 cm., when it comes to a full stop, and the lumen disappears. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery Actual "corking" of the strictured lumen by a fragment of food, in which case intermittency may be due to partial regurgitation of the "corking" mass with subsequent sinking tightly into the stricture. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery The instrument-assistant now inserts the distal end of the bronchoscope into the lumen of the laryngoscope, the handle being directed to the right in a horizontal position. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery The lumen of the mouth of the esophagus, much encroached upon by the sarcomatous infiltration, is seen at the lower part of the circle. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery The hypopharynx tapers down to the gullet like a funnel, and the larynx is suspended in its lumen from the anterior wall. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery There is a definite fifth narrowing of the esophageal lumen not easily demonstrated esophagoscopically and not seen during dissection, but readily shown functionally by the fact that almost all foreign bodies lodge at this point. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery The subdiverticular esophagus is readily followed, its lumen opening during inspiration unless very close to the diaphragm, which is very rare. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery High strictures of the esophagus may be exposed and treated by direct visual bouginage until the lumen is sufficiently dilated to allow the passage of the esophagoscope for bouginage of the deeper strictures. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery Under pathological conditions, the tracheal outline may be variously altered, even to obliteration of the lumen. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery As the bronchoscope or esophagoscope is further inserted, the head must be placed so that the tube corresponds to the axis of the lumen of the passage to be examined. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery Cicatricial types of postdiphtheritic stenosis may be seen as webs, annular cicatrices of funnel shape, or masses of fibrous tissue causing fixation of the arytenoids as well as encroachment on the glottic lumen. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery The use of a special intubation tube having a long antero-posterior lumen and a narrow neck, which form allows greater action of the musculature, has been successful in some cases. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery C and D, full lumen, with both light canal and drainage canal outside the wall of the tube, to be used for passing very large bougies. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery L, adult's size esophagoscope, full lumen construction, 9 mm. x 45 cm.; Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery Blind esophageal bouginage is highly dangerous, for the lumen of the stricture is usually eccentric and the bougie is therefore apt to perforate the wall rather than find the small opening. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery Bougies should be introduced under visual guidance through the esophagoscope, which is so placed that the lumen of the stricture is in the center of the endoscopic field. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery For the use of bougies of the larger sizes, the special esophagoscopes with both the light-carrier canal and the drainage canal outside the lumen of the tube are needed. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery The tip of the esophagoscope enters this lumen and the slanted end slides over the fold of the cricopharyngeus into the cervical esophagus. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery There is usually from 1 to 3 cm. of this constricted lumen at the level of the cricopharyngeus and the subjacent orbicular esophageal fibers. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery At the first inspiration a lumen will usually appear in the upper portion of the endoscopic field. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery The lumen must be kept in axial view and the head lowered as required for this purpose. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery If the foreign body be associated with but slight amount of secretion, the child can usually obtain sufficient air through the temporarily narrowed lumen. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery The respiratory movements consist in a dilatation or opening up of the thoracic esophageal lumen during inspiration, due to the negative intrathoracic pressure. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery A lumen image of a descending branch of the upper-lobe bronchus is often obtained, if the patient's head be borne strongly enough to the right. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery Strictural lumina are much more apt to be concentric as approached from below because there has been no distortion by pressure dilatation due to stagnation of the food operating through a long period of time. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery The ridge crossing above the lumen corresponds to the left bronchus. Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery |
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