| 单词 | epithelial cell |
| 例句 | Most cervical cancers are carcinomas, which grow from the epithelial cells that cover the cervix and protect its surface. The Immortal Life of Henrietta Lacks 2010-02-02T00:00:00Z Importantly, this trend was much stronger pronounced in vascular endothelial cells than lung epithelial cells. Human Lung Chip leveraged to faithfully model radiation-induced lung injury 2023-10-17T04:00:00Z First, the researchers found that these placozoan cells differentiate from a population of progenitor epithelial cells via developmental signals that resemble neurogenesis, the process by which new neurons are formed, in cnidaria and bilateria. Tiny sea creatures reveal the ancient origins of neurons 2023-09-19T04:00:00Z Two oval goblet cells are interspersed among the columnar epithelial cells. Fundamentals of Biology 2015-01-01T00:00:00Z For example, the tight junctions of the epithelial cells lining the urinary bladder prevent urine from leaking into the extracellular space. Concepts of Biology 2013-04-25T00:00:00Z For example, human mammary epithelial cells – the cells lining the milk ducts in the breast – migrate toward areas of increasing stiffness when placed on a surface with a stiffness gradient. How cancer cells move and metastasize is influenced by the fluids surrounding them 2023-01-10T05:00:00Z These beads create healthy environments for growing human epithelial cells, which cover all internal and external surfaces of your body. There's a new STI going around that no one is talking about 2023-01-09T05:00:00Z Like normal airways, the organoids her team makes from bronchial epithelial cells mount immune responses, including secreting interferons. Competition between respiratory viruses may hold off a ‘tripledemic’ this winter 2022-11-17T05:00:00Z Columnar epithelial cells are taller than they are wide: they resemble a stack of columns in an epithelial layer, and are most commonly found in a single-layer arrangement. Fundamentals of Biology 2015-01-01T00:00:00Z The smaller molecules are absorbed into the blood stream through the epithelial cells lining the walls of the small intestine. Concepts of Biology 2013-04-25T00:00:00Z For example, epithelial cells protect the surface of the body and cover the organs and body cavities within. Biology for AP Courses 2022-06-09T00:00:00Z These GI hormones are secreted by specialized epithelial cells, called endocrinocytes, located in the mucosal epithelium of the stomach and small intestine. Anatomy and Physiology 2013-06-19T00:00:00Z In cell cultures of lung epithelial cells, Binder tested whether the larger numbers of MDA5s, as observed in children, might preserve the interferon reaction. Unraveling the Mystery of Why Children Are Better Protected from COVID Than Adults 2021-08-26T04:00:00Z The nuclei of columnar epithelial cells in the digestive tract appear to be lined up at the base of the cells, as illustrated in Figure 3. Fundamentals of Biology 2015-01-01T00:00:00Z The epithelial cells of these structures absorb nutrients from the digested food and release them to the bloodstream on the other side. Concepts of Biology 2013-04-25T00:00:00Z Arsenic poisoning affects the oxidative phosphorylation pathway, leading to decreased transport of Na+ ions outside the epithelial cells. Biology for AP Courses 2022-06-09T00:00:00Z This cluster of cuboidal epithelial cells monitors the fluid composition of fluid flowing through the DCT. Anatomy and Physiology 2013-06-19T00:00:00Z The organoids are about 2 millimeters in diameter and include the main types of cells typically present in this stage of development: cardiomyocytes, epithelial cells, fibroblasts, and epicardium. Lab-grown minihearts beat like the real thing 2021-05-20T04:00:00Z Oval goblet cells are interspersed among the columnar epithelial cells. Fundamentals of Biology 2015-01-01T00:00:00Z That sort of damage—such as what SARS-CoV-2 causes in the epithelial cells of the human airway—is partly how a virus becomes a pathogen. How viruses shape our world 2021-01-14T05:00:00Z Arsenic poisoning disrupts the binding sites for Cl− ions, leading to decreased transport of Cl− ions outside the epithelial cells. Biology for AP Courses 2022-06-09T00:00:00Z One type of adult stem cell is the epithelial stem cell, which gives rise to the keratinocytes in the multiple layers of epithelial cells in the epidermis of skin. Anatomy and Physiology 2013-06-19T00:00:00Z Ingbar said T3 reduces inflammation and coaxes epithelial cells in the lungs to absorb fluids — which is vital for patients with ARDS. Experimental hormone therapy may speed recovery for COVID patients 2020-11-03T05:00:00Z Simple cuboidal epithelial cells are involved in the filtering of blood in the kidney. Fundamentals of Biology 2015-01-01T00:00:00Z The skin’s outer region, called the epidermis, is made of layers of epithelial cells. How cancer invasion takes shape 2020-09-01T04:00:00Z Figure 24.9 Simple columnar epithelial cells absorb material from the digestive tract. Biology for AP Courses 2022-06-09T00:00:00Z The epithelial cells exhibit polarity with differences in structure and function between the exposed or apical facing surface of the cell and the basal surface close to the underlying body structures. Anatomy and Physiology 2013-06-19T00:00:00Z They worked first with cell lines, then with epithelial cells taken from people with various cystic-fibrosis-causing mutations. Research round-up: Cystic fibrosis 2020-07-28T04:00:00Z Figure 1b illustrates squamous epithelial cells arranged in stratified layers, where protection is needed on the body from outside abrasion and damage. Fundamentals of Biology 2015-01-01T00:00:00Z In particular, epithelial cells apply actin- and myosin-based contraction to engage in a tug-of-war against the underlying basement membrane. How cancer invasion takes shape 2020-09-01T04:00:00Z Columnar epithelial cells lining the respiratory tract appear to be stratified. Biology for AP Courses 2022-06-09T00:00:00Z When two adjacent epithelial cells form a tight junction, there is no extracellular space between them and the movement of substances through the extracellular space between the cells is blocked. Anatomy and Physiology 2013-06-19T00:00:00Z “The greatest challenge is to deliver a vector to as many of the epithelial cells lining the airways as possible,” says geneticist Chris Boyd at the University of Edinburgh in the UK. Gene therapy could offer an inclusive cure for cystic fibrosis 2020-07-28T04:00:00Z Simple columnar epithelial cells line the tissue of the lung. Fundamentals of Biology 2015-01-01T00:00:00Z Depending on the mechanical properties of the surrounding structures and the amount of force generated by the epithelial cells, this results in either passive buckling or active folding of the epithelial tissue6. How cancer invasion takes shape 2020-09-01T04:00:00Z As active transport of nutrients and gas is easier across a single layer of flat epithelial cells than cuboidal cells. Biology for AP Courses 2022-06-09T00:00:00Z Both simple and pseudostratified columnar epithelia are heterogeneous epithelia because they include additional types of cells interspersed among the epithelial cells. Anatomy and Physiology 2013-06-19T00:00:00Z They found that gene-expression changes were more evident in fibroblasts and endothelial cells than in epithelial cells. An antiviral response beyond immune cells 2020-06-30T04:00:00Z These free radicals can kill the lungs’ epithelial cells, stripping the airways and leaving the lung tissue more vulnerable to viruses or allergens, says Kenyon. How should vulnerable people be protected during wildfires? 2020-05-12T04:00:00Z For example, in tubes formed of epithelial cells in the pancreas, tissue curvature is the key determinant that influences whether cancer grows inwards or outwards from such tubes7. How cancer invasion takes shape 2020-09-01T04:00:00Z Columnar epithelial cells release mucus for lubrication as well as antimicrobial agents in the digestive tract. Biology for AP Courses 2022-06-09T00:00:00Z Cilia are found on many cells of the body, including the epithelial cells that line the airways of the respiratory system. Anatomy and Physiology 2013-06-19T00:00:00Z In some cases, the healthy epithelial cells turn into earlier-stage mesenchymal cells, break free from the tumor and become mobile in the body. Close-Up Views of Tumors Reveal a New Cancer Biology 2020-04-21T04:00:00Z Cooperative interactions between epithelial cells and immune cells are key to managing this complex balancing act, coordinating tolerance to food antigens and to commensal microbes, but initiating protective immune responses against pathogens. Gut pain sensors help to combat infection 2020-04-19T04:00:00Z The researchers hope to move on from there to carcinomas, which develop in epithelial cells around organs and in the skin. How AI is improving cancer diagnostics 2020-03-24T04:00:00Z Columnar epithelial cells help in the propulsion of food by peristalsis in the digestive tract of the body. Biology for AP Courses 2022-06-09T00:00:00Z There are many cases in which cells are prone to tension, such as when epithelial cells of the skin are compressed, tugging them in different directions. Anatomy and Physiology 2013-06-19T00:00:00Z This means that tests designed to catch epithelial cells are generally effective CTC assays. Could liquid biopsies help deliver better treatment? 2020-03-24T04:00:00Z As key sensors of the gut that aid immune defences, these follicles use immune cells and specialized epithelial cells called M cells to monitor and respond to pathogens and commensal microbes. Gut pain sensors help to combat infection 2020-04-19T04:00:00Z This approach uses a clump of human epithelial cells grown in vitro called an organoid or, specifically, a colonoid, because it is made of colon cells. A mutational signature that can be made by a bacterium arises in human colon cancer 2020-03-22T04:00:00Z The nutrients are absorbed into the blood stream across the epithelial cells lining the walls of the small intestines. Biology for AP Courses 2022-06-09T00:00:00Z Many epithelial cells are capable of secretion and release mucous and specific chemical compounds onto their apical surfaces. Anatomy and Physiology 2013-06-19T00:00:00Z The assay uses beads coated with antibodies that bind to known epithelial cell proteins to capture CTCs. Could liquid biopsies help deliver better treatment? 2020-03-24T04:00:00Z These remarkable findings reveal a complex loop of interactions between epithelial cells, neurons and microbes in the mammalian gut, adding another layer of complexity to our understanding of gut immunity. Gut pain sensors help to combat infection 2020-04-19T04:00:00Z They constrict these rings to bend the sheets of cells just as our epithelial cells do. Marine Microbe Performs Animal Trick 2020-03-08T05:00:00Z It is lined by stratified squamous epithelial cells to protect the underlying tissue. Biology for AP Courses 2022-06-09T00:00:00Z Particular structures found in some epithelial cells are an adaptation to specific functions. Anatomy and Physiology 2013-06-19T00:00:00Z Given the high mutational burden and the specific smoking-associated mutational signatures found in smokers’ healthy epithelial cells, Yoshida and colleagues examined whether these mutations affected crucial genes that are relevant for cancer growth. Smoke signals in the DNA of normal lung cells 2020-01-28T05:00:00Z When the scientists removed the growth factors, the cells began to morph into the epithelial cells that produce venom in the glands of snakes. Tiny organs grown from snake glands produce real venom 2020-01-23T05:00:00Z They cultured germs alongside human epithelial cells and mucus sugars. Mucus contains powerful sugars that tame germs 2019-10-14T04:00:00Z The ectoderm forms epithelial cells and tissues, and neuronal tissues. Biology for AP Courses 2022-06-09T00:00:00Z It is made of four or five layers of epithelial cells, depending on its location in the body. Anatomy and Physiology 2013-06-19T00:00:00Z Almost 40 years after these amphibian experiments, transfer of the nucleus of an adult mammary epithelial cell was used to generate a cloned mammal: Dolly the sheep7. Cell identity reprogrammed 2019-10-13T04:00:00Z “For the respiratory viruses, like rhinovirus and EV-D68, the important part is the bronchial epithelial cells, because those are where the virus actually replicates,” Carette says. A Newly Identified Protein May Be the Key to Vanquishing the Common Cold 2019-09-17T04:00:00Z E-cadherin is present on the membrane of epithelial cells, which form a barrier layer on surfaces of the body. Survival skills ensure that cancer spreads 2019-09-03T04:00:00Z For example, the tight junctions of the epithelial cells lining your urinary bladder prevent urine from leaking out into the extracellular space. Biology for AP Courses 2022-06-09T00:00:00Z These glial cells appear similar to epithelial cells, making a single layer of cells with little intracellular space and tight connections between adjacent cells. Anatomy and Physiology 2013-06-19T00:00:00Z These cells express genes typically associated with barrier formation in a type of non-immune cell called an epithelial cell. Macrophages form a protective cellular barrier in joints 2019-08-06T04:00:00Z Anderson and colleagues were tracking the varieties of epithelial cells in the part of the thymus where that education takes place when they found "goofy cells with taste receptors" that they didn't recognize. Closing in on a century-old mystery, scientists are figuring out what the body’s ‘tuft cells’ do 2019-03-28T04:00:00Z We transplanted retinal pigment epithelial cells derived from a patient or an anonymous donor. Unconscious bias limits women’s careers 2019-03-19T04:00:00Z Arsenic poisoning disrupts ATP production, leading to decreased transport of Cl− ions by epithelial cells. Biology for AP Courses 2022-06-09T00:00:00Z Ciliated columnar epithelium is composed of simple columnar epithelial cells with cilia on their apical surfaces. Anatomy and Physiology 2013-06-19T00:00:00Z The protein forms pores in cells that line the airways of the lungs, known as epithelial cells. Antifungal drug could help cystic fibrosis patients for whom common treatments don’t work 2019-03-13T04:00:00Z A piece of Wicht’s bedsheet the night she was found dead contained another man’s sperm, along with a man’s epithelial cells. Man wrongfully convicted in Simi Valley murders to get $21-million settlement 2019-02-23T05:00:00Z Whether epithelial cells are the target for infection in the natural host is difficult to establish but relevant to address, because infection of particular tissues in bats might affect the likelihood of animal-to-human transmission. Receptor for bat influenza virus uncovers potential risk to humans 2019-02-19T05:00:00Z Image Figure 24.7b illustrates squamous epithelial cells arranged in stratified layers, where protection is needed on the body from outside abrasion and damage. Biology for AP Courses 2022-06-09T00:00:00Z These epithelial cells are found in the lining of the fallopian tubes and parts of the respiratory system, where the beating of the cilia helps remove particulate matter. Anatomy and Physiology 2013-06-19T00:00:00Z Could the Am B–sterol complex also form pores in lung epithelial cells, helping cystic fibrosis patients’ lungs release bicarbonate? Antifungal drug could help cystic fibrosis patients for whom common treatments don’t work 2019-03-13T04:00:00Z But they're also more liable to degrade in the stomach or be blocked from entering the bloodstream by thick layers of mucus and tightly packed epithelial cells that line the stomach and gut. Pills armed with tiny needles could inject insulin, other important meds directly into the stomach 2019-02-07T05:00:00Z Imagine the researchers’ surprise, however, when their microscopes revealed that scutoid-shaped epithelial cells were pervasive in the human body, news they published last July in Nature Communications. Voronoi Tessellations and Scutoids Are Everywhere 2019-01-22T05:00:00Z Figure 24.8 Simple cuboidal epithelial cells line tubules in the mammalian kidney, where they are involved in filtering the blood. Biology for AP Courses 2022-06-09T00:00:00Z Figure 4.8 summarizes the different categories of epithelial cell tissue cells. Anatomy and Physiology 2013-06-19T00:00:00Z In epithelial cells grown in a lab dish, Am B produced pores, which released bicarbonate. Antifungal drug could help cystic fibrosis patients for whom common treatments don’t work 2019-03-13T04:00:00Z Instead of that time-consuming process, Wong and Mihalovich use an enzyme that can “chew up all of the epithelial cell DNA and not touch the sperm because they have that hardy cell wall,” Mihalovich says. Can new technology put a dent in the rape kit backlog? 2018-11-26T05:00:00Z His team is looking at other EBV surface proteins in addition to gp350, including ones that the virus uses to invade epithelial cells. Building a better lymphoma vaccine 2018-11-13T05:00:00Z The nuclei of columnar epithelial cells in the digestive tract appear to be lined up at the base of the cells, as illustrated in Figure 24.9. Biology for AP Courses 2022-06-09T00:00:00Z Most glands consist of groups of epithelial cells. Anatomy and Physiology 2013-06-19T00:00:00Z The wall of the innermost layer of the intestine, known as the mucosa, comprises a tightly sealed layer of epithelial cells. Ulcerative colitis: towards remission 2018-11-06T05:00:00Z They gently coaxed the top layers of cells, known as epithelial cells, from the underlying tissue. Researchers Explore a Cancer Paradox 2018-10-18T04:00:00Z Clinical trials are now under way to replace damaged RPE with healthy retinal pigment epithelial cells grown from stem cells. Reconstructing the retina 2018-09-04T04:00:00Z Goblet cells interspersed between the columnar epithelial cells secrete mucous into the respiratory tract. Biology for AP Courses 2022-06-09T00:00:00Z Respiratory epithelial cells secrete mucus, which serves to trap dust, bacteria, and other debris. Anatomy and Physiology 2013-06-19T00:00:00Z Some of these, the epithelial cells, are destined to become tissues and organs. We Are All Scutoids: A Brand-New Shape, Explained 2018-07-30T04:00:00Z Dr. Martincorena’s team then fished the DNA from the healthy epithelial cells, and carefully sequenced 74 genes that are known to play an important role in the development of cancer. Researchers Explore a Cancer Paradox 2018-10-18T04:00:00Z A, A suspension of retinal pigment epithelial cells derived from stem cells is injected into the distorted space above the choroid. Reconstructing the retina 2018-09-04T04:00:00Z As diffusion of nutrients and gas is easier across a single layer of flat epithelial cells than cuboidal cells. Biology for AP Courses 2022-06-09T00:00:00Z Cilia on the epithelial cells move the mucus and its trapped particles up the airways away from the lungs and toward the outside. Anatomy and Physiology 2013-06-19T00:00:00Z The stem cells are located in the base of structures called crypts, and are interspersed with differentiated epithelial cells called Paneth cells. Debate over the identity of an intestinal niche-cell population settled 2018-06-05T04:00:00Z About one of every four epithelial cells carried a mutation on a cancer-linked gene, speeding up the cell’s growth. Researchers Explore a Cancer Paradox 2018-10-18T04:00:00Z B, A one-cell-thick sheet of retinal pigment epithelial cells on top of a thin polyester or collagen scaffold is surgically implanted at the back of the eye. Reconstructing the retina 2018-09-04T04:00:00Z As diffusion of only gases is easier across a single layer of flat epithelial cells than cuboidal cells. Biology for AP Courses 2022-06-09T00:00:00Z The medulla, where thymocytes migrate before leaving the thymus, contains a less dense collection of thymocytes, epithelial cells, and dendritic cells. Anatomy and Physiology 2013-06-19T00:00:00Z By contrast, Paneth cells are differentiated epithelial cells that move down from the progenitor zone to the crypt base. Debate over the identity of an intestinal niche-cell population settled 2018-06-05T04:00:00Z The techniques haven’t been as effective against the cancers that start in the epithelial cells lining organs, which account for the overwhelming majority of deaths. Opinion | There’s a miraculous chance to cure cancer. But we’ll have to pay for it. 2018-06-05T04:00:00Z Most clusters include cells from all samples, except for a cluster expressing blood genes and a cluster expressing choroid plexus epithelial cells that are mostly from animal WT5E. Aspm knockout ferret reveals an evolutionary mechanism governing cerebral cortical size 2018-04-10T04:00:00Z Columnar epithelial cells, which are typically found in a single-layer arrangement, are found along the digestive tract. Biology for AP Courses 2022-06-09T00:00:00Z The epithelium contains goblet cells, one of the specialized, columnar epithelial cells that produce mucus to trap debris. Anatomy and Physiology 2013-06-19T00:00:00Z Therefore, intestinal epithelial cells are not an essential source of Wnt. Debate over the identity of an intestinal niche-cell population settled 2018-06-05T04:00:00Z The outside of the structure would be repopulated with mesenchymal stem cells from the patient's own bone marrow, and the inside seeded with their epithelial cells. Two controversial stem cell trials could harm patients, critics say 2018-03-29T04:00:00Z It then travels down the respiratory tract and binds to epithelial cells lining the lung airways via specific molecules on the cell surface. How the flu hijacks your body to make you feel so wretched 2018-02-16T05:00:00Z What is the role of columnar epithelial cells in digestion? Biology for AP Courses 2022-06-09T00:00:00Z A type I alveolar cell is a squamous epithelial cell of the alveoli, which constitute up to 97 percent of the alveolar surface area. Anatomy and Physiology 2013-06-19T00:00:00Z Both groups found that the Wnt-expressing niche cells were positioned close to intestinal epithelial cells, in a prime location to affect stem-cell function. Debate over the identity of an intestinal niche-cell population settled 2018-06-05T04:00:00Z A piece of Wicht's bedsheet the night she was found dead contained another man's sperm, along with a man's epithelial cells. Record payout expected for Simi Valley man wrongfully convicted of grisly 1978 murders 2018-02-15T05:00:00Z The group has found several specific nucleoside transporter proteins that allow these compounds to go from the blood into epithelial cells lining the epididymis. A Private Place Where HIV, Zika and Ebola Hide 2018-01-26T05:00:00Z 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 Parietal cells—Located primarily in the middle region of the gastric glands are parietal cells, which are among the most highly differentiated of the body’s epithelial cells. Anatomy and Physiology 2013-06-19T00:00:00Z Shoshkes-Carmel et al. performed high-resolution microscopy, which revealed that these cells are telocytes — thin cells with long protrusions called telopodes, which form a 3D network underlying the epithelial cells throughout the gut. Debate over the identity of an intestinal niche-cell population settled 2018-06-05T04:00:00Z Microrheology of human lung epithelial cells measured by atomic force microscopy. Force loading explains spatial sensing of ligands by cells 2017-12-05T05:00:00Z From the rate at which the epithelial cells took up phages in the lab, the researchers estimated that a person might absorb up to 30 billion in a day. Does a sea of viruses inside our body help keep us healthy? 2017-11-21T05:00:00Z Columnar epithelial cells secrete enzymes like salivary amylase which aid in digestion by the breakdown of carbohydrates in the body. Biology for AP Courses 2022-06-09T00:00:00Z Second, the epithelial cells of the stomach's mucosa meet at tight junctions, which block gastric juice from penetrating the underlying tissue layers. Anatomy and Physiology 2013-06-19T00:00:00Z Intestinal epithelial cells absorb nutrients, respond to microbes, function as a barrier and help to coordinate immune responses. A single-cell survey of the small intestinal epithelium 2017-11-07T05:00:00Z Clevers's mix of growth factors grows organoids consisting primarily of epithelial cells, so his technique doesn't work for the brain and other organs with few or no epithelial cells. This scientist is building miniature guts, livers, and lungs that could save your life one day 2017-08-23T04:00:00Z Consistent with this, Saw and co-workers observed that reducing intercellular adhesion between epithelial cells reduces orientational order and leads to an increase in defects and extrusions. Biological physics: Liquid crystals in living tissue : Nature : Nature Research 2014-04-11T04:00:00Z Large, complex molecules of proteins, polysaccharides, and lipids must be reduced to simpler particles such as simple sugar before they can be absorbed by the digestive epithelial cells. Biology for AP Courses 2022-06-09T00:00:00Z Finally, stem cells located where gastric glands join the gastric pits quickly replace damaged epithelial mucosal cells, when the epithelial cells are shed. Anatomy and Physiology 2013-06-19T00:00:00Z In a research paper, for example, researchers report how physical stresses generated at defects in the structures of epithelial cell layers cause excess cells to be extruded. The 100-year-old challenge to Darwin that is still making waves in research 2017-04-11T04:00:00Z Vitamin A deficiency and measles both degrade epithelial cells, the protective coating on the organs, which is why secondary infections are much more common and much more severe in acutely malnourished children. Hunger amplifies infectious diseases for millions fleeing the violence of Boko Haram 2017-04-06T04:00:00Z It was hoped these would grow into a lining of epithelial cells. Paolo Macchiarini: A surgeon’s downfall - BBC News 2016-09-09T04:00:00Z These molecules can pass through the plasma membrane of the cell and enter the epithelial cells of the intestinal lining. Biology for AP Courses 2022-06-09T00:00:00Z They are cylindrical apical surface extensions of the plasma membrane of the mucosa’s epithelial cells, and are supported by microfilaments within those cells. Anatomy and Physiology 2013-06-19T00:00:00Z These homeostatic TH17 cells then stimulate epithelial cells to enhance the integrity of the intestinal mucosal barrier. The microbiota in adaptive immune homeostasis and disease : Nature : Nature Publishing Group 2016-07-05T04:00:00Z They also secrete IL-22, which initiates an antimicrobial programme as well as barrier fortification in epithelial cells. The microbiome and innate immunity : Nature : Nature Publishing Group 2016-07-05T04:00:00Z James Anderson studies how epithelial cells that act as barriers within cells, tissue, or organs are bound together. Survey finds laissez-faire attitude toward validating antibodies 2016-07-06T04:00:00Z The cells I had were ovine mammary epithelial cells: we were looking to increase expression of proteins in milk. Dolly at 20: The inside story on the world’s most famous sheep 2016-06-28T04:00:00Z First, peptidoglycan, a component of bacterial cell walls, activates the release of chemicals by the mucosa’s epithelial cells, which draft immune cells, especially dendritic cells, into the mucosa. Anatomy and Physiology 2013-06-19T00:00:00Z IL-33, which is probably released from the epithelial cells of the intestine at steady state, is markedly upregulated under conditions of inflammation. The microbiota in adaptive immune homeostasis and disease : Nature : Nature Publishing Group 2016-07-05T04:00:00Z Intestinal epithelial cells use the recognition of microbial-cell components and metabolites to adjust their antimicrobial programme and metabolic homeostasis. The microbiome and innate immunity : Nature : Nature Publishing Group 2016-07-05T04:00:00Z Healthy microbiota are thought to collaborate with host epithelial cells to maintain the intestinal wall. Microbiome: Bacterial broadband : Nature : Nature Publishing Group 2016-05-17T04:00:00Z Once through, the bacteria will attach to epithelial cells and begin dividing, establishing microcolonies that secrete toxins. Studies that intentionally infect people with disease-causing bugs are on the rise 2016-05-18T04:00:00Z 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 These homeostatic TH17 cells then stimulate epithelial cells to enhance the integrity of the intestinal mucosal barrier. The microbiota in adaptive immune homeostasis and disease : Nature : Nature Publishing Group 2016-07-05T04:00:00Z When histone deacetylase 3 is specifically deleted from intestinal epithelial cells, gene expression is massively altered and the integrity of the epithelial barrier is lost94. The microbiome and innate immunity : Nature : Nature Publishing Group 2016-07-05T04:00:00Z Dr. Green and his colleagues produced a nutrient brew in which the epithelial cells would replicate 10,000-fold within weeks. Howard Green, Pioneer in Skin Regeneration, Dies at 90 2015-11-05T05:00:00Z In mice engineered to lack the gene for A20 in their lung epithelial cells, endotoxins did not protect the animals from asthma. Dirty farm air may ward off asthma in children 2015-09-03T04:00:00Z Feces is composed of undigested food residues, unabsorbed digested substances, millions of bacteria, old epithelial cells from the GI mucosa, inorganic salts, and enough water to let it pass smoothly out of the body. Anatomy and Physiology 2013-06-19T00:00:00Z In vivo induction of serum amyloid A might therefore require both adhesion of SFB to epithelial cells and activation of the IL-22 receptor. The microbiota in adaptive immune homeostasis and disease : Nature : Nature Publishing Group 2016-07-05T04:00:00Z Intestinal epithelial cells use the recognition of microbial-cell components and metabolites to adjust their antimicrobial programme and metabolic homeostasis. The microbiome and innate immunity : Nature : Nature Publishing Group 2016-07-05T04:00:00Z The channels are separated by a porous membrane which is lined on the top with epithelial cells derived from human lung alveoli, and on the bottom with endothelial cells from blood vessels. Towards a body-on-a-chip 2015-06-11T04:00:00Z An enzyme made by the epithelial cells, called A20, seemed to play a role in reducing these inflammatory responses. Dirty farm air may ward off asthma in children 2015-09-03T04:00:00Z Moreover, substances cannot pass between the epithelial cells of the intestinal mucosa because these cells are bound together by tight junctions. Anatomy and Physiology 2013-06-19T00:00:00Z Colonization with adherent SFB elicits a unique program of gene expression that includes the upregulation of two isoforms of the protein serum amyloid A in the epithelial cells of the small intestine. The microbiota in adaptive immune homeostasis and disease : Nature : Nature Publishing Group 2016-07-05T04:00:00Z Intriguingly, the impact of microorganisms on intestinal epithelial cells extends far beyond the classical immunological functions of these cells. The microbiome and innate immunity : Nature : Nature Publishing Group 2016-07-05T04:00:00Z Pollak has confirmed the first finding in studies using human patients: taking metformin for a month significantly decreased the turnover of colon epithelial cells. Prevention: Tending the gut : Nature : Nature Publishing Group 2015-05-12T04:00:00Z However, a new study suggests that one dispersant harms epithelial cells, found in human lungs and fish gills. Double, double, oil and trouble 2015-04-16T04:00:00Z Thus, substances can only enter blood capillaries by passing through the apical surfaces of epithelial cells and into the interstitial fluid. Anatomy and Physiology 2013-06-19T00:00:00Z These antigens might be preferentially taken up by the cells of the host when SFB adhere to epithelial cells. The microbiota in adaptive immune homeostasis and disease : Nature : Nature Publishing Group 2016-07-05T04:00:00Z They also secrete IL-22, which initiates an antimicrobial programme as well as barrier fortification in epithelial cells. The microbiome and innate immunity : Nature : Nature Publishing Group 2016-07-05T04:00:00Z To mimic the conditions of the lung within a microfluidic device, Ingber's team cultivated epithelial cells derived from human alveoli and endothelial cells derived from blood vessels on either side of a porous polymer membrane. Artificial organs: Honey, I shrunk the lungs : Nature : Nature Publishing Group 2015-03-24T04:00:00Z About 90 percent of cancers are believed to be related to issues with epithelial cells. Billionaire Paul Allen donates $100m to new ‘industrial scale’ effort to understand human cells 2014-12-08T05:00:00Z However, after they enter the absorptive epithelial cells, they are broken down into their amino acids before leaving the cell and entering the capillary blood via diffusion. Anatomy and Physiology 2013-06-19T00:00:00Z IL-33, which is probably released from the epithelial cells of the intestine at steady state, is markedly upregulated under conditions of inflammation. The microbiota in adaptive immune homeostasis and disease : Nature : Nature Publishing Group 2016-07-05T04:00:00Z Researchers plan to study how induced pluripotent stem cells transform into heart muscle and epithelial cells and compare and contrast how these transformations occur. Microsoft mogul to create new cell science center 2014-12-08T05:00:00Z And recently the team found a way to line channels with epithelial cells taken from human kidneys. How 3-D Printing Is Changing Medicine 2014-11-17T05:00:00Z He has seen direct evidence that Ebola does have the capacity to attach to receptors in the so-called epithelial cells in human lungs. Some Scientists Question CDC "Dogma" On Ebola Transmission 2014-10-17T04:00:00Z Without micelles, lipids would sit on the surface of chyme and never come in contact with the absorptive surfaces of the epithelial cells. Anatomy and Physiology 2013-06-19T00:00:00Z In the new study, human embryonic stem cells were first prompted to develop into eye cells called retinal pigment epithelial cells. Embryonic Stem Cell Therapy Shows Long-Term Effectiveness, Safety 2014-10-14T04:00:00Z E-cigarette vapor also appears to decrease human epithelial cells’ ability to fight pathogens, Alexander said. Study: E-Cigarette Vapor Toughens MRSA Superbug 2014-05-19T04:00:00Z Previous studies report UPR activation in various human tumours, but the role of XBP1 in cancer progression in mammary epithelial cells is largely unknown. XBP1 promotes triple-negative breast cancer by controlling the HIF1α pathway 2014-04-04T18:28:18.449Z In this complex metamorphosis, epithelial cells — the kind that stick together in sheets to form bodily tissues — are converted into loosely organized cells called mesenchyme. Raw Data: A Tumor, the Embryo’s Evil Twin 2014-03-17T20:26:20Z Figure 23.33 Lipid Absorption Unlike amino acids and simple sugars, lipids are transformed as they are absorbed through epithelial cells. Anatomy and Physiology 2013-06-19T00:00:00Z Contact-mediated signal exchange and signaling are also the hallmarks of neurons—an analogy that extends to the functional requirements for the diaphanous, neuroglian, shibire, and capricious genes by both neurons and epithelial cells. [Research Article] Cytoneme-Mediated Contact-Dependent Transport of the Drosophila Decapentaplegic Signaling Protein 2014-02-20T19:25:43.644Z “Many scientists use epithelial cell lines that are exquisitely sensitive,” Mina Bissell, a cancer researcher at Lawrence Berkeley National Laboratory, wrote in Nature in November. Raw Data: New Truths That Only One Can See 2014-01-20T22:12:16Z This year, a Japanese pilot study with the eye disease macular degeneration — the plan is to transplant sheets of retinal epithelial cells, derived from iPS cells, into their eyes. 365 days: 2013 in review 2013-12-18T18:50:23.347Z These markers are suited to the detection of epithelial DCCs in tissues such as blood, bone marrow and lymph nodes because these tissues lack epithelial cells. Selection and adaptation during metastatic cancer progression 2013-09-18T17:22:42.817Z When the body has enough iron, most of the stored iron is lost when worn-out epithelial cells slough off. Anatomy and Physiology 2013-06-19T00:00:00Z As fitness is context dependent, evaluating tumours as complete organs, and not simply as masses of transformed epithelial cells, becomes paramount. Influence of tumour micro-environment heterogeneity on therapeutic response 2013-09-18T17:22:26.223Z These outcomes were induced by proteinase cleavage of the clotting protein fibrinogen, yielding fibrinogen cleavage products that acted as TLR4 ligands on airway epithelial cells and macrophages. [Report] Cleavage of Fibrinogen by Proteinases Elicits Allergic Responses Through Toll-Like Receptor 4 2013-08-15T17:57:45.670Z Despite what appears to be a set structural form, epithelial cells display active dynamics with fluid behavior. [Introduction to Special Issue] Introduction: Getting into Shape 2013-06-06T17:55:41.127Z However, expression of both markers can be low or absent in epithelial cells, so DCCs may escape detection — the reasons for this downregulation or loss are not understood. Selection and adaptation during metastatic cancer progression 2013-09-18T17:22:42.817Z Since women experience significant iron loss during menstruation, they have around four times as many iron transport proteins in their intestinal epithelial cells as do men. Anatomy and Physiology 2013-06-19T00:00:00Z The airway epithelial cells that the method relies on are continuously shed, he notes. Gene Therapy ... Against the Flu? 2013-05-29T19:05:00Z The epithelial cells will be inserted into the nose. Science Fiction Comes Alive as Researchers Grow Organs 2013-03-23T03:06:52Z For example, epithelial cells in the intestine and keratinocytes in the skin both release protein fragments called defensins, part of the innate host response to bacterial invaders. Genetics: Deep exploration 2012-12-19T18:20:55.300Z Then they apply fluorescent stains: a chemical to highlight the cells' nuclei, an antibody that adheres to immune cells, and another antibody that tags epithelial cells. Diagnostics: Playing detective 2012-11-23T15:21:10.310Z Water absorption is driven by the concentration gradient of the water: The concentration of water is higher in chyme than it is in epithelial cells. Anatomy and Physiology 2013-06-19T00:00:00Z If it worked, these so-called epithelial cells would produce influenza antibodies right at the site where the virus attempts to establish an infection. Gene Therapy ... Against the Flu? 2013-05-29T19:05:00Z Dr. Seifalian will then apply the right chemicals to convert the man's stem cells into epithelial cells, a common type of tissue found in the nose and in the lining of other organs. Science Fiction Comes Alive as Researchers Grow Organs 2013-03-23T03:06:52Z In their paper the team speculated that the presence of the parasite eggs stimulated extra mucus production and healing, in addition to renewing epithelial cells. Parasitic Worm Eggs Ease Intestinal Ills by Changing Gut Macrobiota 2012-11-15T23:15:03.963Z SCFAs also affect proliferation, differentiation and modulation of gene expression in mammalian colonic epithelial cells. Functional interactions between the gut microbiota and host metabolism 2012-09-13T11:21:18.130Z In the cortex of the thymus, they are exposed to cortical epithelial cells. Anatomy and Physiology 2013-06-19T00:00:00Z These cytokines stimulate epithelial -cell secretion of antimicrobial peptides that inhibit or kill bacteria in the vicinity of the epithelial cell surface. Reciprocal interactions of the intestinal microbiota and immune system 2012-09-13T11:20:55.227Z Hidden inside a keratinocyte — the most common epithelial cell — HPV can remain almost invisible to the surveillance of the immune system. Pathology: Three questions 2012-08-29T17:51:27.637Z They were able to see a dense meshwork of human bronchial epithelial cell cultures. 'Brush' sweeps human lungs clean 2012-08-23T18:13:54Z He hypothesizes that gut inflammation causes colibactin-producing strains to bloom while simultaneously weakening epithelial cells that line the gut, making them more susceptible to DNA damage. E. Coli Strain Linked to Cancer in Mice 2012-08-17T20:45:00.143Z 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 This sensing also arms the intestinal epithelial cells for release of antimicrobial peptides. Reciprocal interactions of the intestinal microbiota and immune system 2012-09-13T11:20:55.227Z The receptor is often expressed on epithelial cells, the type of cells that turn cancerous, and it promotes cell survival. Amgen Pulls Cancer Drug 2012-08-10T20:50:35Z The brush-like layer consists of protective molecules that keep sticky mucus from reaching the cilia and epithelial cells, thus ensuring the normal flow of mucus. 'Brush' sweeps human lungs clean 2012-08-23T18:13:54Z Although scientists have not yet mastered co-culturing, they have made impressive advances, cultivating little gardens of gut tissue and bacteria, for example, as well as epithelial cells and immune system cells. What Would It Take To Really Build An Artificial Jellyfish? 2012-07-25T20:45:00.237Z 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 This sensing also arms the intestinal epithelial cells for release of antimicrobial peptides. Reciprocal interactions of the intestinal microbiota and immune system 2012-09-13T11:20:55.227Z Luminal subtypes are associated with expression of oestrogen and progesterone receptors and differentiated luminal epithelial cell markers. Sequence analysis of mutations and translocations across breast cancer subtypes 2012-06-20T17:22:32.787Z Alternative approaches use different markers to distinguish the tumour cells or microfluidic technology to sort the larger tumour epithelial cells from the smaller blood cells. Metastasis: The rude awakening 2012-05-30T17:51:07.740Z As he examined the metabolism of malignant lung cancer cells and non-malignant healthy epithelial cells, Stephen had noticed an important difference in the physical appearance of the mitochondria. Dynamic Mitochondrial Networks in Cancer 2012-03-29T15:45:03.977Z ADH also causes the epithelial cells lining the renal collecting tubules to move water channel proteins called aquaporins from the sides of the cells to the apical surface. Anatomy and Physiology 2013-06-19T00:00:00Z A new formation of connective tissue is usually associated with that of the epithelial cells. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z The mutations in , RUNX1 and GATA3 suggest the importance of understanding epithelial cell differentiation and its regulatory transcription factors in breast cancer pathogenesis. Sequence analysis of mutations and translocations across breast cancer subtypes 2012-06-20T17:22:32.787Z In the study, physicians led by Schwartz injected what are called retinal epithelial cells into one eye of each patient. First patients shown to improve with embryonic stem cells 2012-01-23T20:25:32Z The mitochondria in the vast majority of cancer cells appeared to be small and fragmented, while healthy epithelial cells predominantly contained elongated, filamentous-like mitochondria that formed large intact networks. Dynamic Mitochondrial Networks in Cancer 2012-03-29T15:45:03.977Z Goblet-shaped epithelial cells, in which the extremity of the parasite is inserted. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 5 "Greek Law" to "Ground-Squirrel" 2011-12-05T03:00:51.527Z It is not invariably complicated with changes in the kidney, neither do we always discover casts or degenerated epithelial cells in the urine. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z Most breast cancers originate in the epithelial cells lining the breast ducts. [Research Articles] Preclinical and Clinical Evaluation of Intraductally Administered Agents in Early Breast Cancer 2011-10-26T19:55:10.567Z Basically, when you look at different types of cells, such as fibroblasts, which form connective tissue, or epithelial cells, from saliva, you see general correlations within a person. Tell Us More Telomeres: Anecdotes from a Nobel Prize Winner 2011-10-17T12:15:00.240Z The cause and significance of this difference in the mitochondrial structure between lung cancer cells and healthy lung epithelial cells was unknown and thus a fertile ground for new discoveries. Dynamic Mitochondrial Networks in Cancer 2012-03-29T15:45:03.977Z In the case of intestinal Gregarines, the behaviour of the young trophozoite with respect to the epithelial cells of its host varies greatly. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 5 "Greek Law" to "Ground-Squirrel" 2011-12-05T03:00:51.527Z Its explanation is based upon the assumed inability of the larger epithelial cells of the cancer to pass through the lymph-glands; being detained, they serve as new centres of growth. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z He and his colleagues will inject into patients' eyes retinal pigment epithelial cells that ACT derived from hES cells. U.K. Approves Europe's First Embryonic Stem Cell Clinical Trial 2011-09-22T16:25:51Z Spheramine consists of cultured human retinal epithelial cells bound to specialized man-made carrier molecules. Experimental Parkinson's disease therapies: Why fake it? 2011-08-10T17:20:31.227Z These excreta practically contained no solid matter excepting epithelial cells and salts. Antarctic Penguins A Study of Their Social Habits 2011-08-03T02:00:14.143Z On the anterior surface of the lens is a layer of epithelial cells, which, towards the margin or equator, gradually elongate into lens fibres. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 1 "Evangelical Church Conference" to "Fairbairn, Sir William" 2011-07-16T02:00:16.387Z The former are the wandering cells of the connective tissues, as well as the fixed variety, the epithelial cells of the surface of a mucous membrane in addition to the subjacent connective-tissue cells. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z Each patient will undergo a procedure in which between 50,000 to 200,000 retinal pigmented epithelial cells created from human embryonic stem cells will be injected into their eyes. First patients treated in new human embryonic stem cell study 2011-07-14T12:30:00Z It also highlights the regulatory mechanisms that control the rapid and continuous renewal of epithelial cells in the intestinal lining from resident stem cells. Intestinal networks in health and disease 2011-06-15T17:20:49.697Z Researchers took air samples from one of the largest e-waste dismantling areas in China and examined their effects on human lung epithelial cells. ?E-waste Pollution? Threat to Human Health 2011-06-01T15:01:00Z Most cancers occur in the sheets of epithelial cells that line organs. Tumour biology: Cancer theory faces doubts 2011-04-20T17:20:26.967Z The origin of mucus from epithelial cells under physiological and pathological conditions being apparent, it readily follows that the epithelioid cells of tumors might be supposed to be liable to a similar metamorphosis. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z Furuta and her colleagues focused on breast epithelial cells, which form part of the milk-producing mammary glands and are the cells that turn malignant in the vast majority of breast cancers. Body's Immune Protein Fights Breast Cancer 2011-04-14T14:43:00Z The epithelial cells possess typical microscopical characters which enable them to be readily distinguished from all others. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 6 "English Language" to "Epsom Salts" 2011-02-19T03:00:59.807Z On microscopical examination the gland shows a large number of closed tubular alveoli, lined by columnar epithelial cells, unsupported by a basement membrane, and filled with colloid or jelly-like material. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" 2010-12-26T03:00:17.840Z The conventional hormone therapy significantly increased the percentage of proliferating normal breast epithelial cells–while the bioidentical therapy did not. Well: A Second Look at Estrogen's Benefits 2010-12-14T00:36:47Z It may produce a smoky color of the urine, and the appearance in it of granular epithelial cells, with an increase of mucus, but no albumen. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z The study will involve injecting 50,000 to 200,000 cells known as retinal pigment epithelial cells in the hopes that they will replace those ravaged by the disease. Supplements or flu shots; and stem cell research for Stargardt's macular dystrophy 2010-11-29T23:08:00Z In compound glands the more typical or secretory epithelium is found forming the terminal portion of each branch, and the uniting portions form ducts and are lined with a less modified type of epithelial cell. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 6 "English Language" to "Epsom Salts" 2011-02-19T03:00:59.807Z In the medulla the lymphoid cells are fewer, and nests of epithelial cells are found, called the concentric corpuscles of Hassall. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" 2010-12-26T03:00:17.840Z The company has turned human embryonic stem cells into retinal pigment epithelial cells, which will be surgically implanted into the eye. 2 Treatments for Retinas Make Gains 2010-11-22T05:40:00Z Microscopic examination of the urine shows the presence in this liquid of blood-corpuscles, granular epithelial cells, and hyaline or granular casts, or both. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z Yet the insect brain extracts didn’t seem to bother human kidney or epithelial cells when grown with them in a lab dish. Cockroach Brains, Coming to a Pharmacy Near You 2010-09-13T15:13:00Z Retinal pigmented epithelial cells, also made from human embryonic stem cells, should replace those ravaged by the progressive loss of eyesight, usually beginning in childhood. First tests for stem cell therapy are near 2010-08-29T19:21:00Z In the same way the epithelial cells of the mammary glands “select” the suitable substances from the blood. Naturalism And Religion I.-IV represents the schizogony, commencing with infection of an epithelial cell by a sporozoite or merozoite. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" They never penetrate the epithelial layer, nor are they found in epithelial cells in any position. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z Type of various epithelial cells and associated tissues Carcinoma. Special Report on Diseases of Cattle Numerous degenerated epithelial cells are found in the fluid. Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. But in reality it proves to be rather a process of selection on the part of the epithelial cells of the intestine, analogous to the selection and rejection exercised elsewhere by unicellular organisms. Naturalism And Religion The liberated sporozoites creep out and proceed to infect the epithelial cells. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" The most constant fatty changes, replacement by oil of the material of epithelial cells and muscular fibres, though probably nearly universal, is most noticeable in the liver, the heart and the kidneys. Alcohol: A Dangerous and Unnecessary Medicine, How and Why What Medical Writers Say The sebaceous ducts or glands, or both, become blocked up with retained secretion and epithelial cells. Essentials of Diseases of the Skin Including the Syphilodermata Arranged in the Form of Questions and Answers Prepared Especially for Students of Medicine The fluid finds its way between the epithelial cells in the deeper layers, apparently being taken into some of the superficial cells by imbibition. Glaucoma A Symposium Presented at a Meeting of the Chicago Ophthalmological Society, November 17, 1913 This consists of mucus, albumen, pus, hyaline casts of the uriniferous tubes, epithelial cells, blood, etc., mainly agents that belong to the class of colloid or noncrystalline bodies. Special Report on Diseases of the Horse Crypts: minute secretory follicles or cavities: specifically, large gland- like structures between the epithelial cells in chylific ventricle. Explanation of Terms Used in Entomology It is an irregular structure, consisting of a very thin outer layer of mesoderm, lined with a single layer of flattened epithelial cells. Development of the Digestive Canal of the American Alligator The large pale cells that can be seen in this way are a variety of epithelial cells. Physiology and Hygiene for Secondary Schools Some of this fluid finds its way through Bowman's membrane, apparently by way of the minute channels which permit the passage of small nerve twigs, and enters the epithelial cell layer. Glaucoma A Symposium Presented at a Meeting of the Chicago Ophthalmological Society, November 17, 1913 It is made up of a fibrous framework and numerous round, ovoid, or cylindrical cavities, lined with masses of epithelial cells, which may be squeezed out as a fetid, caseous material. Special Report on Diseases of the Horse Tunica propria: a layer of epithelial cells and connective tissue lining the interior of the hind gut: the outer layer of the silk glands: a covering or investing membrane. Explanation of Terms Used in Entomology Cyst-like spaces may form in the tumour by the accumulation of the secretion of the epithelial cells, or as a result of their degeneration—cystic carcinoma. Manual of Surgery Volume First: General Surgery. Sixth Edition. The mucous membrane lining the mouth is, soft and smooth, being covered with flat epithelial cells. Physiology and Hygiene for Secondary Schools The plain surface of the corium has now become broken up, and what is noticed is that the broken-up appearance is due to the epithelial cells irrupting and advancing en échelon into its connective tissue. Diseases of the Horse's Foot The fetal and maternal placentas are made up of vascular villi and depressions that are separated only by the thin walls of capillaries, and a layer of epithelial cells. Common Diseases of Farm Animals The walls of the air cells are of extreme thinness, consisting of delicate elastic and connective tissue, and lined inside by a single layer of thin epithelial cells. A Practical Physiology The varieties of cancer are distinguished according to the character and arrangement of the epithelial cells. Manual of Surgery Volume First: General Surgery. Sixth Edition. The mucous membrane lining the pharynx is smooth, like that of the mouth, being covered with a layer of flat epithelial cells. Physiology and Hygiene for Secondary Schools Accompanying this elongation of the processes is a condensation of the epithelial cells immediately above the rete Malpighii, with a partial or total loss of their nuclei. Diseases of the Horse's Foot Three epithelial cells from the mucous lining of the tongue. The Evolution of Man — Volume 1 The epithelial cell membrane allows the water of the blood with certain salts in solution to pass, but rejects the albumen. A Practical Physiology The epithelial cells are not arranged on any definite plan, but are closely packed in irregularly shaped alveoli. Manual of Surgery Volume First: General Surgery. Sixth Edition. Work of Capillaries and Lacteals.—The capillaries and lacteals act as receivers of material as it passes through the layer of epithelial cells covering the mucous membrane. Physiology and Hygiene for Secondary Schools It follows, therefore, that the hair follicles, really depressions or cul-de-sacs of the skin itself, are lined by epithelial cells and connective tissue. Diseases of the Horse's Foot Here are found two kinds of cells in great abundance—column-shaped epithelial cells and the cells which are recognized as the sense organs of smell. Physiology and Hygiene for Secondary Schools Such a simple tissue is called an epithelium or surface-limiting tissue, and the cells are known as epithelial cells. A Practical Physiology Such islets may also be due to the accidental transference of loose epithelial cells from the edges. Manual of Surgery Volume First: General Surgery. Sixth Edition. The air passages are kept clean by cells especially adapted to this purpose, known as the ciliated epithelial cells. Physiology and Hygiene for Secondary Schools It is covered with a layer of epithelial cells, some of which have small, hair-like projections and are known as the hair cells. Physiology and Hygiene for Secondary Schools The same is to a certain extent true of the epithelial cells covering the mucous membrane of the mouth, and those lining the air passages and air cells of the lungs. A Practical Physiology The epithelial cells, from their shape, are known as squamous, columnar, glandular, or ciliated. A Practical Physiology Examine with the microscope, and the irregularly formed epithelial cells will be seen. A Practical Physiology |
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