| 单词 | air sac |
| 例句 | “It’s not enough to cause heart failure or anything like that,” he added, but it may be “enough to make some of those air sacs leak a little bit of blood.” Do you sometimes taste blood when working out? Here’s what might be happening. 2021-10-07T04:00:00Z During intense exercise, the heart can become overworked, which may lead to some fluid buildup in the small air sacs of the lungs, known as pulmonary edema, a condition commonly connected to heart problems. Do you sometimes taste blood when working out? Here’s what might be happening. 2021-10-07T04:00:00Z “Because these dust particles are relatively fine, they can be directly absorbed by the lung’s tiny air sacs,” Huang said. Severe Beijing smog prompts government candor 2013-01-14T13:03:00Z Lung alveoli are the small air sacs where oxygen and CO2 exchange between the lung and blood takes place, and the major site of radiation pneumonitis. Human Lung Chip leveraged to faithfully model radiation-induced lung injury 2023-10-17T04:00:00Z Sauropods had particularly uneven skeletons, combining dense limb bones as thick as tree trunks, vertebrae so riddled with air sacs that they resemble honeycomb, and small skulls composed of sometimes paper-thin bones. How Sauropod Dinosaurs Became the Biggest Land Animals Again and Again 2023-08-15T04:00:00Z They contain air spaces that are sometimes connected to air sacs, and they have struts of bone to provide structural reinforcement. Fundamentals of Biology 2015-01-01T00:00:00Z Birds possess a system of air sacs branching from their primary airway that divert the path of air so that it passes unidirectionally through the lung, during both inspiration and expiration. Concepts of Biology 2013-04-25T00:00:00Z Like many modern birds, Tyrannosaurus, Apatosaurus and other giants had complex networks of air sacs that grew out of their throats and lungs and into their bones. Dinosaurs' Air Sacs Evolved Many Times and Let Them Take Over the World 2023-03-31T04:00:00Z In fact, fossil evidence shows that meat-eating dinosaurs that lived more than 100 million years ago had a similar flow-through respiratory system with lungs and air sacs. Biology for AP Courses 2022-06-09T00:00:00Z Sauropods also independently evolved a birdlike lung with air sacs throughout their bodies, making their breathing more efficient and their bodies lighter for their size. How Sauropod Dinosaurs Became the Biggest Land Animals Again and Again 2023-08-15T04:00:00Z The air sacs that extend into bones to form pneumatic bones also join with the lungs and function in respiration. Fundamentals of Biology 2015-01-01T00:00:00Z A unique system of tubes and air sacs in birds’ respiratory systems enable this one-way airflow. Miller & Levine Biology 2018-01-01T00:00:00Z Paleontologists have found these air sacs in flying reptiles called pterosaurs, in theropod dinosaurs such as Allosaurus, and in long-necked dinosaurs, including Diplodocus. Dinosaurs' Air Sacs Evolved Many Times and Let Them Take Over the World 2023-03-31T04:00:00Z In addition to lungs, birds have air sacs inside their body. Biology for AP Courses 2022-06-09T00:00:00Z They serve to swirl the incoming air, which helps to warm and moisturize it before the air moves into the delicate air sacs of the lungs. Anatomy and Physiology 2013-06-19T00:00:00Z During inhalation, air passes from the beak down the trachea to the posterior air sac located behind the lungs. Fundamentals of Biology 2015-01-01T00:00:00Z Humans, for instance, have a diaphragm, while birds use air sacs. How Boa Constrictors Breathe While Squeezing the Life Out of Their Prey 2022-03-24T04:00:00Z “Animals with air sacs have a tremendous advantage compared to us mammals,” says paleontologist Tito Aureliano of the University of Campinas in Brazil, lead author of the new study. Dinosaurs' Air Sacs Evolved Many Times and Let Them Take Over the World 2023-03-31T04:00:00Z Air flows in one direction from the posterior air sacs to the lungs and out of the anterior air sacs. Biology for AP Courses 2022-06-09T00:00:00Z The process is reversed in the pulmonary capillaries to re-form CO2, which then can diffuse into the air sacs to be exhaled into the atmosphere. Anatomy and Physiology 2013-06-19T00:00:00Z From the posterior air sac, air enters the lungs, and the anterior air sac in front of the lungs. Fundamentals of Biology 2015-01-01T00:00:00Z Hitting the frigid water faster than an Olympic diver, these incredible birds have evolved air sacs in the head and chest to survive these repeated heavy impacts. Underwater Photographer of the Year winner revealed 2022-02-10T05:00:00Z Using CT scans and examining the bones' exteriors, they looked for openings or pockets that could house air sacs. Dinosaurs' Air Sacs Evolved Many Times and Let Them Take Over the World 2023-03-31T04:00:00Z In addition to lungs, they have thin, balloon-like air sacs that invade the body cavity and many bones. The sad and sorry story of Dolly the diseased and doomed dinosaur 2022-02-10T05:00:00Z Pulmonary edema is excess fluid in the air sacs of the lungs, a common symptom of heart and/or kidney failure. Anatomy and Physiology 2013-06-19T00:00:00Z Air from both air sacs also enters hollows in bones. Fundamentals of Biology 2015-01-01T00:00:00Z In so-called tidal breathing, inhalation opens up tiny air sacs in the lungs, and then exhalation carries the bacteria from the lungs via aerosols. Tuberculosis, like COVID, spreads in aerosols, report finds, upending centuries of conventional wisdom 2021-10-19T04:00:00Z “Prior to this study, it looked unlikely to me that invasive air sacs would have evolved three times independently” in separate dinosaur lineages, Aureliano says—but the new results suggest that scenario. Dinosaurs' Air Sacs Evolved Many Times and Let Them Take Over the World 2023-03-31T04:00:00Z Dolly's dilemma not only sheds light on medical conditions in deep time but provides insight into the anatomical structure of dinosaur lungs and air sacs. The sad and sorry story of Dolly the diseased and doomed dinosaur 2022-02-10T05:00:00Z “These particles make it all the way down into the air sacs of the lung, and then there’s even smaller particles within that even can cross into the bloodstream,” he said. From air purifiers to filters, how to protect yourself from wildfire smoke 2021-07-22T04:00:00Z During exhalation air from hollows in the bones enters the air sacs, then the lungs, then the trachea, where it exits through the beaks. Fundamentals of Biology 2015-01-01T00:00:00Z One hypothesis is that knocks come from within the walrus’s body and gongs may be produced by a male walrus’s air sacs, Dr. Reichmuth said. The Sound of One Walrus Clapping 2021-06-29T04:00:00Z This work confirms that the early dinosaurs did not have these extensive air sac systems, says Ohio University paleontologist Patrick O'Connor, who was not involved in the new study. Dinosaurs' Air Sacs Evolved Many Times and Let Them Take Over the World 2023-03-31T04:00:00Z They have a dedicated tymbal organ, and an abdominal air sac likely serves to amplify the sound. Marching to the Beat of the 17-Year Cicada Clock 2021-06-14T04:00:00Z “Every breath we take has to be expertly conveyed from the tip of the nose to the last air sac in the lungs,” Merati said. Woman recovering after rare windpipe transplant from donor 2021-04-06T04:00:00Z Pneumatic bones are bones that are hollow rather than filled with tissue, containing air spaces that are sometimes connected to air sacs. Fundamentals of Biology 2015-01-01T00:00:00Z With each inhale, air coursed into the branches of her lungs and terminated in the alveoli, nearly 500 million air sacs surrounded by capillaries, where an exchange of oxygen and carbon dioxide occurs. She was dying of COVID-19. Her last hope was a Hail Mary that would save her or kill her 2021-03-12T05:00:00Z That doesn't mean that they had no air sacs at all, he adds, noting that some modern birds, such as ducks, have more minimal arrangements. Dinosaurs' Air Sacs Evolved Many Times and Let Them Take Over the World 2023-03-31T04:00:00Z But one autopsy finding was of note: acute lung injury that included bleeding in tiny air sacs called alveoli. A Family’s Search for Answers: Did Their Brother Die of Covid? 2021-03-07T05:00:00Z That’s when pulmonary blood vessels constrict, ratcheting up pressure in the lungs, causing fluid to leak into the air sacs. How Climbers Reached the Summit of K2 in Winter for the First Time 2021-01-19T05:00:00Z These air sacs allowed for the unidirectional flow of air through the lungs—in other words, the entire cycle occurs in one breath, as it does in birds and crocodilians. The Real Dilophosaurus Would Have Eaten the Jurassic Park Version for Breakfast 2020-12-15T05:00:00Z The male usually initiates a fish owl duet, filling an air sac in his throat until it’s swollen like some monstrous, feathered bullfrog. A Duet of Fish Owls 2020-12-10T05:00:00Z Instead the study most likely indicates that air sacs invaded the bone multiple times independently, as the reptiles became larger and more diverse. Dinosaurs' Air Sacs Evolved Many Times and Let Them Take Over the World 2023-03-31T04:00:00Z During five days in the hospital, she recovered from the acute infection, then died several months later with virus-caused damage to her lungs that left them brittle and filled their air sacs with fluid. When Symptoms of Covid-19 Don’t Go Away 2020-10-12T04:00:00Z Doctors are unsure why; one theory is that the air sacs in the lungs are damaged in a way that does not cause the buildup of carbon dioxide, which creates that “desperate for air” feeling. Identify the Different Symptoms of the Flu and Covid-19 2020-10-03T04:00:00Z CT imaging has revealed that these air sacs are also present in the bones surrounding the dinosaur's brain and were continuous with the sinus cavities in the front of the skull. The Real Dilophosaurus Would Have Eaten the Jurassic Park Version for Breakfast 2020-12-15T05:00:00Z When we breathe in these particles, they travel down the airway and settle in the tiny air sacs called alveoli of the lungs, causing inflammation and potentially worsening asthma symptoms. What Climate Change Does to the Human Body 2020-08-29T04:00:00Z These air sacs, also seen in modern birds, were extensions of the lung, and it is likely they "helped fuel an efficient breathing system while also making the skeleton lighter", the University of Southampton said. New dinosaur related to T. rex discovered 2020-08-11T04:00:00Z Carmeliet and colleagues suggest damage and other changes in the activated cells trigger vascular leakage, flooding the air sacs with fluid, a hallmark of ARDS. Blood vessel attack could trigger coronavirus’ fatal ‘second phase’ 2020-06-02T04:00:00Z Those drew voracious white blood cells into the spaces between the air sacs so they threatened to block the paths oxygen normally takes to his red blood cells. A Virus-Hunter Falls Prey to a Virus He Underestimated 2020-05-26T04:00:00Z But in Dilophosaurus, this opening is continuous with the side of the dinosaur's unique crests, suggesting that the crests, too, had air sacs. The Real Dilophosaurus Would Have Eaten the Jurassic Park Version for Breakfast 2020-12-15T05:00:00Z In patients with severe cases of COVID-19, the virus attacks the lungs, causing fluid to collect in tiny air sacs called alveoli. Becoming ‘King of Ventilators’ may result in unexpected glut 2020-05-10T04:00:00Z In pneumonia and in ARDS, fluids in the lungs fill microscopic air sacs called alveoli, where oxygen from the air diffuses into the blood. 'Silent hypoxia' may be killing COVID-19 patients, but there's hope 2020-04-28T04:00:00Z Pneumonia is an infection of the lungs in which the air sacs fill with fluid or pus. Opinion | The Infection That’s Silently Killing Coronavirus Patients 2020-04-20T04:00:00Z The machines use a mask to send an increased concentration of oxygen into the lungs while people sleep, opening up airways and preventing air sacs in the lungs from collapsing. Nonprofit, university help D.C. fire department manufacture critical medical part to help covid-19 patients 2020-04-23T04:00:00Z But how the air sacs might have supported these or other functions of the crests is unclear. The Real Dilophosaurus Would Have Eaten the Jurassic Park Version for Breakfast 2020-12-15T05:00:00Z Meanwhile, “type II pneumocytes” lining small air sacs in the lungs are also vulnerable. Cells most vulnerable to coronavirus are in lungs, nose, intestines: study 2020-04-23T04:00:00Z When they opened up some deceased patients’ lungs, they expected to find evidence of pneumonia and damage to the tiny air sacs that exchange oxygen and carbon dioxide between the lungs and the bloodstream. A mysterious blood-clotting complication is killing coronavirus patients 2020-04-22T04:00:00Z This substance helps the air sacs in the lungs stay open between breaths and is critical to normal lung function. Opinion | The Infection That’s Silently Killing Coronavirus Patients 2020-04-20T04:00:00Z There are many causes for a lung collapse, including trauma and ruptured air sacs. Massachusetts 'miracle man' overcomes coronavirus despite severe lung injuries 2020-04-21T04:00:00Z The condition, an alarming hallmark of severe Covid-19, occurs when fluid that floods tiny air sacs deep within the lung interferes with the body’s ability to deliver oxygen to vital organs. Fears of Ventilator Shortage Unleash a Wave of Innovations 2020-04-17T04:00:00Z The thinner, distant branches of the lung’s respiratory tree end in tiny air sacs called alveoli, each lined by a single layer of cells that are also rich in ACE2 receptors. How does coronavirus kill? Clinicians trace a ferocious rampage through the body, from brain to toes 2020-04-17T04:00:00Z The new coronavirus kills by inflaming and clogging the tiny air sacs in the lungs, choking off the body’s oxygen supply until it shuts down the organs essential for life. Coronavirus destroys lungs. But doctors are finding its damage in kidneys, hearts and elsewhere. 2020-04-14T04:00:00Z As the inflammation from Covid pneumonia starts, it causes the air sacs to collapse, and oxygen levels fall. Opinion | The Infection That’s Silently Killing Coronavirus Patients 2020-04-20T04:00:00Z If it was possible to travel through your mouth down the windpipe and through the tiny tubes in your lungs, you'd eventually end up in tiny little air sacs. What it does to the body 2020-03-13T04:00:00Z In this complex organ, the vast majority of macrophages live in tiny air sacs called alveoli. Could Newly Found “Peacekeeping” Cells Be a Weapon against COVID-19? 2020-03-27T04:00:00Z Normally, oxygen crosses the alveoli into the capillaries, tiny blood vessels that lie beside the air sacs; the oxygen is then carried to the rest of the body. How does coronavirus kill? Clinicians trace a ferocious rampage through the body, from brain to toes 2020-04-17T04:00:00Z Lungs contain grapelike clusters of tiny air sacs called alveoli. COVID-19 lung patterns show few clues for treating pneumonia 2020-03-22T04:00:00Z This silent hypoxia, and the patient’s physiological response to it, causes even more inflammation and more air sacs to collapse, and the pneumonia worsens until oxygen levels plummet. Opinion | The Infection That’s Silently Killing Coronavirus Patients 2020-04-20T04:00:00Z That affects the lungs’ response to a virus in the alveoli, the tiny air sacs where oxygen moves into the bloodstream. Does air pollution make you more susceptible to coronavirus? California won't like the answer 2020-03-21T04:00:00Z It gets worse when the infection goes into the gas exchange units which can pour inflammatory material into the air sacs at the bottom of our lungs. What are the levels of severity for coronavirus and how does pneumonia impact the body? 2020-03-20T04:00:00Z “If they become infected they respond by pouring out inflammatory material into the air sacs that are at the bottom of our lungs.” Coronavirus: what happens to people's lungs when they get Covid-19? 2020-03-19T04:00:00Z As infection worsens, the haze forms rounder clusters and gradually turns more white as the air sacs become increasingly clogged. COVID-19 lung patterns show few clues for treating pneumonia 2020-03-22T04:00:00Z To get the drugs into the birds’ air sacs, the vets also needed to use a nebuliser. How the world's fattest parrot came back from the brink 2020-03-14T04:00:00Z The fluid may drown some of the lung’s tiny air sacs, preventing them from delivering oxygen to the blood and removing carbon dioxide. How this coronavirus kills its victims 2020-02-29T05:00:00Z “With black lung, even with supplemental oxygen, you suffocate to death. It destroys the air sacs and inhibits oxygen to your blood supply. The first thing that goes is your legs, that’s my weakness now.” ‘It’s really tragic’: why are coalminers still dying from black lung disease? 2020-01-24T05:00:00Z Dr. Harrison and Dr. Socha first noticed a problem while they were doing synchrotron X-rays of grasshoppers to study their air sacs, which are a bit like lungs. How Insects Cope When Blood Rushes to Their Heads 2020-01-13T05:00:00Z Macrophages protect the body from infections, but they also help recycle lung surfactant, a mix of proteins and lipids that coats the inside of lung air sacs and aids gas exchange. How safe is vaping? New human studies assess chronic harm to heart and lungs 2019-11-26T05:00:00Z Dead cells slough off into the airways, blocking them further, and fluids leak into the lungs’ air sacs. Lung damage from vaping resembles chemical burns, report says 2019-10-02T04:00:00Z They focused on structures in the lung called alveoli, which are the ‘air sacs’ of this organ. Pressure regulates immune-cell function 2019-08-20T04:00:00Z The team created a scale model of an air sac mimicking a crucial part of a lung’s complex vascular network. Can 3-D Printing Produce Lung and Liver Tissue for Transplants? 2019-05-06T04:00:00Z Usually caused by viruses or bacteria, and sometimes by fungi or parasites, pneumonia is an infection of the air sacs called alveoli in your lungs. Cough, fever and chills could mean you have pneumonia 2019-01-04T05:00:00Z Mold, the CDC says, triggers coughing, wheezing and inflammation of air sacs. Special Report: U.S. Marine families battle mice, mold and landlords 2018-11-01T04:00:00Z Modifications from that basic setup - perhaps kept conservative in ornithischian dinosaurs and highly modified with air sac systems in saurischians - allowed for the respiratory diversity that paleontologists are now assessing and studying. Dinosaurs Had Bird-Like Lungs 2018-10-28T04:00:00Z Special air sacs alongside the lungs do the heavy lifting instead, pumping air through the lungs, where the oxygen diffuses into the bloodstream. ‘Superlungs’ gave dinosaurs the energy to run and fight 2018-10-23T04:00:00Z When inhaled, chlorine causes air sacs in the lungs to secrete fluid, essentially drowning those affected. How chemical weapons have helped Assad 2018-10-14T04:00:00Z X-rays soon revealed that their swim bladders — air sacs in some fish that regulate buoyancy — were “almost absent,” Fustukjian said. How do you save fish that can’t swim? This vet made them tiny floaties. 2018-08-24T04:00:00Z The giant birds do not have pneumatic bones — that is, they are not filled with air sacs like the bones of most flying birds. New Guineans carved human bones into ‘formidable, fierce-looking and beautiful’ daggers 2018-04-24T04:00:00Z Navy Marine Mammal Program discovered that the beluga whale made these unusual sounds by inflating air sacs to a much higher pressure than during normal vocalizations. 'Talking' Orca Imitates Human Words—See More Animal Mimics 2018-01-31T05:00:00Z The pressure from the bubbles keeps the small air sacs of the lungs open. The shampoo bottle saving babies from pneumonia 2017-10-09T04:00:00Z Sauropods were enormous by comparison, and air sacs assisted them at all scales. Secret Air Sacs Made This Dinosaur Extra Light 2017-05-29T04:00:00Z She also suffered acute respiratory distress syndrome, which occurs when fluid builds up in the small, elastic air sacs in the lungs. Marc Leishman's win a family affair, two years after wife Audrey nearly died - Golf Digest 2017-03-19T04:00:00Z Pneumonia can develop when a respiratory infection spreads to the lungs, causing the lungs’ air sacs to fill with pus. 7 Reasons You Can't Stop Coughing 2016-11-10T05:00:00Z Pneumonia is essentially an infection of the lungs which causes inflammation in the air sacs and fills them with fluid. Clinton cancels California trip after pneumonia diagnosis - BBC News 2016-09-12T04:00:00Z "Mongo was undergoing a routine health check to investigate his enlarged air sac," said the statement. Twycross Zoo's hairless chimp Mongo dies 'unexpectedly' - BBC News 2016-07-30T04:00:00Z Drawing from external anatomy, CT scans, and digital models of the dinosaur’s bones, Ibiricu and coauthors detected evidence of interconnected air sacs in the transverse processes of Katepensaurus back vertebrae. Secret Air Sacs Made This Dinosaur Extra Light 2017-05-29T04:00:00Z While marching, they will inflate yellowish-orange air sacs below and above the eyes. Wynot residents travel to watch prairie chicken breed 2016-04-16T04:00:00Z Over subsequent nights they sit in or near their bowls, inflate specialised air sacs, and emit deep booms. Not an ex-parrot 2016-03-31T04:00:00Z “The answer here is a qualified ‘yes’,” says Dr. Katz, explaining that most cases of pneumonia—an infection that causes the lung’s air sacs to fill up with fluid—are bacterial. 9 Burning Health Questions People Asked Google This Year 2015-12-11T05:00:00Z A disease where the delicate walls that line the air sacs in the lungs become damaged. NINA RADCLIFF: Breathe: This is COPD awareness month 2015-11-05T05:00:00Z The most obvious consequence would be that the air sacs allowed sauropods to keep their bones light without sacrificing strength. Secret Air Sacs Made This Dinosaur Extra Light 2017-05-29T04:00:00Z Its vertebrae even feature air sacs to lighten them slightly. The Verge Review of Animals: the Apatosaurus 2015-11-01T04:00:00Z During the performance, the males will raise their tail feathers, stomp the ground, inflate the air sacs along their throats and unleash a distinctive echo to serenade the females. 9 interesting facts about sex in the animal kingdom 2015-10-27T04:00:00Z If measles gets a foothold in the lungs, it becomes life-threatening, filling the multitudinous, tiny air sacs called alveoli with fluid and pus. Measles Is Anything But Benign, Doctor 2015-02-13T05:00:00Z A disease where the airways leading to the air sacs become chronically irritated and inflamed. NINA RADCLIFF: Breathe: This is COPD awareness month 2015-11-05T05:00:00Z A tour of the park on a recent Thursday reveals a team of veterinarians in a surgical suite performing a biopsy on a Gentoo penguin whose air sacs weren’t properly inflating. Saving SeaWorld 2014-11-20T05:00:00Z But they found some unusual indentations in the brain case and sinuses, where air sacs filled the back of the skull in life. Palaeontology: The truth about T. rex 2013-10-23T17:20:31Z The term hyaline refers to a glassy membrane that can form in the air sacs of premature infants, impeding their ability to extract oxygen from inhaled air. After the Fact: A Kennedy Baby’s Life and Death 2013-07-29T16:13:03Z C.O.P.D. comprises two illnesses: one, emphysema, destroys air sacs deep in the lungs; the other, chronic bronchitis, causes inflammation, congestion and scarring in the airways. The New Old Age Blog: Fewer Hospitalizations for C.O.P.D. Patients 2013-06-28T17:55:39Z But when air sacs become catawampus—they lose their shape and become floppy—this causes obstruction of air and our body may not get enough oxygen. NINA RADCLIFF: Breathe: This is COPD awareness month 2015-11-05T05:00:00Z Other possible reasons for the surgery include a birth defect that caused an abnormality in the lung tissue, or an unusual growth of blood vessels into the air sacs that would obstruct normal breathing. Why Pope Francis Only Has One Lung 2013-03-14T04:35:26Z "By contrast, in owls, the canal is about 10 times bigger and it's filled with an air sac," Dr Gailloud said. How owls swivel their heads 2013-02-01T08:19:58Z In particular, scientists discovered that hyaline membrane disease resulted from a deficiency of surfactant, a substance that lines the air sacs in the lungs. After the Fact: A Kennedy Baby’s Life and Death 2013-07-29T16:13:03Z "Because these dust particles are relatively fine, they can be directly absorbed by the lung's tiny air sacs," Huang said. Severe Beijing smog prompts unusual transparency 2013-01-14T15:14:12Z Proper function of the air sacs is imperative for oxygen exchange into our bloodstream. NINA RADCLIFF: Breathe: This is COPD awareness month 2015-11-05T05:00:00Z Emphysema eats away at the lung's air sacs, or alveoli, so that less surface area is available for gas exchange. Health impact: Breathless 2012-09-26T17:22:23.033Z At first the chick will break the membrane on the egg’s air sac, which will provide a few hours of additional oxygen while it breaks through the shell. City Room: Hawk Cam 2012: F.A.Q. on Hawk Hatching 2012-04-10T17:55:40Z An air sac, sometimes double or variously lobed, in the visceral cavity of many fishes. Webster's Unabridged Dictionary 2012-03-24T02:00:23.513Z Surfaxin is a surfactant, a liquid that coats the air sacs in the lungs and helps keep them open. F.D.A. Backs Surfaxin, Respiratory Distress Drug For Babies 2012-03-07T00:54:32Z Hearing in cetaceans: evolution of the accessory air sacs and the structure and function of the outer and middle ear in recent cetaceans. Grampus griseus joins the globicephalines 2012-02-27T21:15:05.413Z I knew that the main feature of pulmonary fibrosis is an irreversible replacement of normal air sacs with inflexible fibrotic scar. Close Encounters of Science and Medicine 2011-06-23T13:15:02.633Z When human lung stem cells were injected into mice, the cells showed their versatility by rebuilding airways, air sacs and blood vessels within two weeks. Bedbugs found to carry MRSA 2011-05-12T05:58:04Z It was supposed at one time that the air sacs of birds contributed in some mysterious way to flight, but this is now known to be erroneous. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 "Fleury, Claude" to "Foraker" 2011-04-03T02:00:20.883Z The enzyme shows up frequently on lung capillary cells that maintain air sacs called alveoli, which are central to oxygen exchange, thus tracing the origin of the microparticles. Blood Tests Could Forewarn of Emphysema 2011-03-16T17:07:00Z This test provides a more detailed picture of lung function, specifically of how well the air sacs that are first affected by emphysema are working. Could a Blood Test Predict Emphysema Early? 2011-03-08T18:35:00Z Physalia; a b air sac with crest c, m bunches of individuals, n central tentacles, t t expanded tentacles. Seaside Studies in Natural History Marine Animals of Massachusetts Bay. Radiates. 2011-03-07T03:00:13.343Z But the joints of the backbone in front of the sacrum receive their air from the cervical air sac. Dragons of the Air An Account of Extinct Flying Reptiles 2011-02-20T03:00:13.067Z The bats and some of the best-flying birds have no air sacs. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 "Fleury, Claude" to "Foraker" 2011-04-03T02:00:20.883Z The ventral portion of the neck is formed by the strong crista inferior, on the median side of which is the deep fossa subtrochanterica by which air sacs enter the humerus. Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 7 "Bible" to "Bisectrix" 2010-12-20T17:12:05.780Z The tiny blood vessels in the lung that nourish the air sacs are abundant in an enzyme that was also prevalent in the EMPs Crystal found in his study volunteers. Could a Blood Test Predict Emphysema Early? 2011-03-08T18:35:00Z In respiratory distress syndrome, the tiny air sacs of the infant’s lungs do not fully open because of a lack of surface lubricant, making breathing difficult. Vital Signs: Childbirth: Respiratory Distress in Premature Infants 2010-08-02T21:07:00Z In the bioreactor, those cells somehow migrated to the right spots and grew air sacs, airways and blood vessels. Scientists grow a rat lung in the laboratory 2010-06-24T21:31:00Z It may seem simple, but lungs are devilishly complicated structures, with more than 40 cell types and an intricate network of tiny blood vessels and air sacs. Scientist-engineered lungs from labs make big advance 2010-06-24T23:24:00Z The device, about the size of a pea, mimics the function of air sacs called alveoli, which transfer oxygen through a thin membrane from the lung to the blood. U.S. scientists create artificial lungs, of sorts 2010-06-24T18:45:00Z And once emphysema occurs, it can't be reversed: when air sacs are destroyed, they are gone for good and can't be rejuvenated. Could a Blood Test Predict Emphysema Early? 2011-03-08T18:35:00Z The condition - when fine dust is lodged in air sacs in the lungs - is irreversible and incurable. Few Chinese lung diseased workers get redress: report 2010-04-26T16:39:00Z The blood flows through little capillaries upon the sides of the air sacs. Applied Physiology Including the Effects of Alcohol and Narcotics The crucial element of lung tissue is the interface between the air sacs and blood vessels, so the team re-created this surface using a membrane covered with human lung cells. Scientist-engineered lungs from labs make big advance 2010-06-24T23:24:00Z The white blood cells invaded the air sac chamber and destroyed the bacteria, Ingber said in a telephone interview. U.S. scientists create artificial lungs, of sorts 2010-06-24T18:45:00Z What passes from the blood into the air sacs? Health Lessons Book 1 Then we had a soup made of fish’s stomach, or air sac. Letters from China and Japan It was assumed that immense air sacs within her body were inflated or partly inflated when she left the ship, possibly with some gas lighter than nitrogen. The Good Neighbors The body of the bird contains numerous air sacs, all connected with the lungs, and these, when inflated, are a great help in flying by making the bird light. Our Bird Comrades When this inflammation extends to the air sacs at the termini of the smallest branches of the bronchial tubes, the disease is broncho-pneumonia. Special Report on Diseases of the Horse The walls of the air sacs are much thinner than tissue paper. Health Lessons Book 1 Aerostats: a pair of large air sacs at base of abdomen in Diptera. Explanation of Terms Used in Entomology The cells, or cavities, that line the air passages and air sacs at the ends of the bronchial tubes. A Handbook of Health Bone socket of a tooth; air sac of the lungs, etc. Mother's Remedies Over One Thousand Tried and Tested Remedies from Mothers of the United States and Canada The air sacs in the lungs tend to stay collapsed. Undo, a Novel By Joe Hutsko This allows the carbon dioxide and water to pass out of the blood tubes into the air sacs, while the oxygen at the same time goes through into the blood. Health Lessons Book 1 The embryo gape-worm is freed in the intestine, and from here they are supposed to migrate into the abdominal air sacs and to the trachea and bronchi. Common Diseases of Farm Animals Hunter experimented on the uses of the air sacs, I know, but I have not his work at hand. Life and Letters of Thomas Henry Huxley — Volume 1 An air sac with cellular spaces is connected with the gullet and serves as a rudimentary lung. The Elements of Geology These hairlike tubes have swollen ends called air sacs. Health Lessons Book 1 The air sacs at the top and in the bottom part of the lungs are seldom filled completely. Health Lessons Book 1 The air sac has become a swim bladder. The Elements of Geology |
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