| 单词 | glomerulus |
| 例句 | The axons of olfactory receptor cells of the same type converge to form glomeruli in the olfactory bulb. Fundamentals of Biology 2015-01-01T00:00:00Z Within the nephron the blood comes in intimate contact with the waste-collecting tubules in a structure called the glomerulus. Concepts of Biology 2013-04-25T00:00:00Z From glomeruli, olfactory signals travel directly to the olfactory cortex and then to the frontal cortex and the thalamus. Biology for AP Courses 2022-06-09T00:00:00Z The afferent arterioles form a tuft of high-pressure capillaries about 200 µm in diameter, the glomerulus. Anatomy and Physiology 2013-06-19T00:00:00Z And each nephron contains a glomerulus, a tuft of tiny vessels that filters the blood as it passes through, and a tubule that sends cleansed blood and essential nutrients back into circulation. Are Too Many Older Adults Told They Have Kidney Disease? 2021-11-01T04:00:00Z Firing one set of glomeruli elicits the perception of pineapples; firing another evokes pickles. The Brain Interprets Smell like the Notes of a Song 2020-06-18T04:00:00Z The filter is made of silicon membranes with nanometre-scale pores that are designed to mimic the glomerulus. How artificial kidneys and miniaturized dialysis could save millions of lives 2020-03-10T04:00:00Z The branch that enters the glomerulus is called the afferent arteriole. Biology for AP Courses 2022-06-09T00:00:00Z The rest of the nephron consists of a continuous sophisticated tubule whose proximal end surrounds the glomerulus in an intimate embrace—this is Bowman’s capsule. Anatomy and Physiology 2013-06-19T00:00:00Z Health care workers typically assess how well someone’s kidneys work by starting with a blood test for the glomerular filtration rate, or G.F.R., an estimate of how much blood passes through the glomeruli every minute. Are Too Many Older Adults Told They Have Kidney Disease? 2021-11-01T04:00:00Z To do so, they used a technique called optogenetics to activate glomeruli in mice. The Brain Interprets Smell like the Notes of a Song 2020-06-18T04:00:00Z Blood entering a nephron passes through a cluster of tiny vessels called the glomerulus. How artificial kidneys and miniaturized dialysis could save millions of lives 2020-03-10T04:00:00Z The branch that exits the glomerulus is called the efferent arteriole. Biology for AP Courses 2022-06-09T00:00:00Z The glomerulus and Bowman’s capsule together form the renal corpuscle. Anatomy and Physiology 2013-06-19T00:00:00Z Cells in the kidney glomerulus are subject to many types of mechanical forces, such as stretching and relaxation from pulsing blood flow. Futuristic organ-on-a-chip technology now seems more realistic than ever 2018-10-21T04:00:00Z By activating certain patterns of activity in glomeruli, the researchers generated “synthetic smells” that the mice perceived as real. The Brain Interprets Smell like the Notes of a Song 2020-06-18T04:00:00Z The thin walls of the glomerulus enable waste, water and other small molecules to pass through, while blocking larger ones such as proteins and blood cells. How artificial kidneys and miniaturized dialysis could save millions of lives 2020-03-10T04:00:00Z Within the glomerulus, the network of capillaries is called the glomerular capillary bed. Biology for AP Courses 2022-06-09T00:00:00Z The efferent arteriole is the connecting vessel between the glomerulus and the peritubular capillaries and vasa recta. Anatomy and Physiology 2013-06-19T00:00:00Z The glomerulus chip not only maintained healthy podocytes and endothelial cells, but its realistic mechanical environment actually developed the podocytes even further than any other method. Futuristic organ-on-a-chip technology now seems more realistic than ever 2018-10-21T04:00:00Z They first trained the rodents to recognize the switching on of six specific glomeruli, causing them to perceive an odor that was unknown to the researchers. The Brain Interprets Smell like the Notes of a Song 2020-06-18T04:00:00Z It is a condition that affects kidney function by attacking and damaging the glomeruli, which are tiny filtering units insider the kidney where blood is cleaned, according to the National Kidney Foundation . Marquette forward Tori McCoy seeks kidney transplant 2018-08-07T04:00:00Z Once the efferent arteriole exits the glomerulus, it forms the peritubular capillary network, which surrounds and interacts with parts of the renal tubule. Biology for AP Courses 2022-06-09T00:00:00Z The glomerulus is a high-pressure capillary bed between afferent and efferent arterioles. Anatomy and Physiology 2013-06-19T00:00:00Z The kidney has about 1 million glomeruli, and in each one, hundreds of podocytes bridge the gap between the bloodstream and the urinary system. What's your risk of kidney disease, heart attack, or diabetes? A single molecule can tell 2018-04-19T04:00:00Z When other glomeruli were activated—generating a different odor—there was no reward. The Brain Interprets Smell like the Notes of a Song 2020-06-18T04:00:00Z Tobin, for example, works with a speck of the fruit-fly brain that helps to process odors — a circuit called an olfactory glomerulus. How to Map the Circuits That Define Us 2017-08-10T04:00:00Z First, the nephrons filter blood that runs through the capillary network in the glomerulus. Biology for AP Courses 2022-06-09T00:00:00Z 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 Tobin, for example, works with a speck of the fruit-fly brain that helps to process odours — a circuit called an olfactory glomerulus. How to map the circuits that define us The study authors then altered the timing and mix of activated glomeruli and observed how doing so affected the mice’s behavior. The Brain Interprets Smell like the Notes of a Song 2020-06-18T04:00:00Z But in the ants, the glomeruli never formed. World’s first genetically modified ants shed light on how complex insect societies evolved 2017-03-08T05:00:00Z Almost all solutes, except for proteins, are filtered out into the glomerulus by a process called glomerular filtration. Biology for AP Courses 2022-06-09T00:00:00Z As blood passes through the glomerulus, 10 to 20 percent of the plasma filters between these sieve-like fingers to be captured by Bowman’s capsule and funneled to the PCT. Anatomy and Physiology 2013-06-19T00:00:00Z The damage caused by IgA nephropathy results from abnormal deposits of a protein called “IgA” in the glomeruli. Mountain Home coach gets kidney donation from friend 2016-01-04T05:00:00Z This step allowed them to determine how important each glomerulus was to accurately recognizing the smell. The Brain Interprets Smell like the Notes of a Song 2020-06-18T04:00:00Z There the nerve endings of each type of odorant receptor meet up in clusters called glomeruli. World’s first genetically modified ants shed light on how complex insect societies evolved 2017-03-08T05:00:00Z The blood pressure in the glomerulus is maintained independent of factors that affect systemic blood pressure. Biology for AP Courses 2022-06-09T00:00:00Z There are also mesangial cells in the filtration membrane that can contract to help regulate the rate of filtration of the glomerulus. Anatomy and Physiology 2013-06-19T00:00:00Z The National Kidney Foundation explains that IgA nephropathy is a common form of glomerulonephritis, a disease that damages the tiny filtering units of the kidney, called glomeruli. Mountain Home coach gets kidney donation from friend 2016-01-04T05:00:00Z A given glomerulus, in effect, acts as its own mini sensory organ within the olfactory bulb. The Brain Interprets Smell like the Notes of a Song 2020-06-18T04:00:00Z For example, the team saw that cells called podocytes largely ended up in the right place in their engineered organs — around blood-filtering structures called glomeruli. Lab-Grown Kidneys Transplanted into Rats and Become Functional 2013-04-15T19:45:00.527Z First, the nephrons filter blood that runs through the capillary network in the glomerulus, which filters out almost all solutes, except for proteins, by glomerular filtration. Biology for AP Courses 2022-06-09T00:00:00Z Such contraction and relaxation regulate blood flow to the glomerulus. Anatomy and Physiology 2013-06-19T00:00:00Z In the more advanced or protracted cases this hyaline substance in the glomeruli began to assume a fibrous appearance. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z When they changed which glomerulus was activated first, the mice demonstrated a 30 percent drop in the ability to sense the correct odor. The Brain Interprets Smell like the Notes of a Song 2020-06-18T04:00:00Z There is evidently a diffuse fibrous change which has not affected either the tubules or glomeruli to any great extent. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z First, the nephrons filter blood that runs through the capillary network in the glomerulus, which filters out almost all solutes, except for proteins, by glomerular filtration. Biology for AP Courses 2022-06-09T00:00:00Z A proper concentration of solutes in the blood is important in maintaining osmotic pressure both in the glomerulus and systemically. Anatomy and Physiology 2013-06-19T00:00:00Z Steurer writes: "As the kidneys are the great filters of the human system, I never neglected to examine them, and almost invariably found micrococci filling the arterioles and glomeruli." A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z Rinberg likens smell perception to the melody of a song: The notes—in this case, representing activated glomeruli—are important. The Brain Interprets Smell like the Notes of a Song 2020-06-18T04:00:00Z Microscopically the capsules of the glomeruli are a trifle thickened; a few show hyaline changes. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z First, the nephrons filter blood that runs through the capillary network in the glomerulus, which filters out almost all solutes, except for uric acid, by glomerular filtration. Biology for AP Courses 2022-06-09T00:00:00Z The net result is a relatively steady flow of blood into the glomerulus and a relatively steady filtration rate in spite of significant systemic blood pressure changes. Anatomy and Physiology 2013-06-19T00:00:00Z Only the glomeruli appear, on close inspection, pale like small white dots. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z When we smell, it is not only about which glomeruli are activated but also what time sequence they follow. The Brain Interprets Smell like the Notes of a Song 2020-06-18T04:00:00Z The microscope shows small areas scattered throughout where the glomeruli are hyalinized, the stroma full of small round cells, the tubules dilated, and the cells are almost bare of protoplasm. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z First, the nephrons filter blood that runs through the capillary network in the glomerulus, which filters out almost all solutes, except for proteins, by glomerular filtration. Biology for AP Courses 2022-06-09T00:00:00Z Included in this vasodilation are the afferent arterioles supplying the glomerulus, resulting in increased GFR, and water loss by the kidneys. Anatomy and Physiology 2013-06-19T00:00:00Z Normal kidney function depends on both glomeruli and tubules performing their respective tasks well. Paradoxical Polyuria--when it comes to kidneys, sometimes more is less 2011-02-10T17:15:05.450Z The capillaries deliver blood to the glomerulus and run perpendicular to the distal convoluted tubule. Biology for AP Courses 2022-06-09T00:00:00Z One gets the impression that the small sclerotic lesions are the result of anemia and gradual replacement of scattered glomeruli by fibrous tissue. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z Although parts of the renal tubules are named proximal and distal, in a cross-section of the kidney, the tubules are placed close together and in contact with each other and the glomerulus. Biology for AP Courses 2022-06-09T00:00:00Z Drugs that are structurally small can be filtered by the glomerulus with the filtrate. Anatomy and Physiology 2013-06-19T00:00:00Z The capillaries deliver blood to the glomerulus and run parallel to the distal convoluted tubule. Biology for AP Courses 2022-06-09T00:00:00Z What would likely occur in the collecting duct if there was increased blood flow to the glomerulus? Biology for AP Courses 2022-06-09T00:00:00Z Microscopically, it is seen that the tubules are atrophied, the Bowman's capsules are, as a rule, thickened, and the glomeruli are shrunken or have been replaced by fibrous tissue. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z There are three steps in the formation of urine: glomerular filtration, which occurs in the glomerulus; tubular reabsorption, which occurs in the renal tubules; and tubular secretion, which also occurs in the renal tubules. Biology for AP Courses 2022-06-09T00:00:00Z If the kidney glomeruli are damaged by an autoimmune illness, large quantities of protein may be lost in the urine. Anatomy and Physiology 2013-06-19T00:00:00Z The olfactory bulb is composed of neural clusters called glomeruli, and each glomerulus receives signals from one type of olfactory receptor, so each glomerulus is specific to one odorant. Biology for AP Courses 2022-06-09T00:00:00Z Because the glomeruli filter the blood based mostly on particle size, large elements like blood cells, platelets, antibodies, and albumen are excluded. Anatomy and Physiology 2013-06-19T00:00:00Z The glomeruli stand out as whitish dots and the sclerosed arteries are easily recognized, as their walls are much thickened. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z Juxtamedullary nephrons have a larger glomerulus, allowing them to filter blood at a greater rate than cortical nephrons. Biology for AP Courses 2022-06-09T00:00:00Z The kidney glomerulus filters blood mainly based on particle size to produce a filtrate lacking cells or large proteins. Anatomy and Physiology 2013-06-19T00:00:00Z The glomerulus is the first part of the nephron, which then continues as a highly specialized tubular structure responsible for creating the final urine composition. Anatomy and Physiology 2013-06-19T00:00:00Z Normally, only traces of protein are found in urine, and when higher amounts are found, damage to the glomeruli is the likely basis. Anatomy and Physiology 2013-06-19T00:00:00Z If excessive protein is detected in the urine, it usually means that the glomerulus is damaged and is allowing protein to “leak” into the filtrate. Anatomy and Physiology 2013-06-19T00:00:00Z Juxtamedullary nephrons have a smaller glomerulus, allowing them to filter blood at a greater rate than cortical nephrons. Biology for AP Courses 2022-06-09T00:00:00Z A capillary bed, the glomerulus, filters blood and the filtrate is captured by Bowman’s capsule. Anatomy and Physiology 2013-06-19T00:00:00Z It is important to understand the difference between the glomerulus and the peritubular and vasa recta capillaries. Anatomy and Physiology 2013-06-19T00:00:00Z The glomerulus has a relatively high pressure inside its capillaries and can sustain this by dilating the afferent arteriole while constricting the efferent arteriole. Anatomy and Physiology 2013-06-19T00:00:00Z The descending and ascending portions of the loop are highly specialized to enable recovery of much of the Na+ and water that were filtered by the glomerulus. Anatomy and Physiology 2013-06-19T00:00:00Z The nephron consists of three parts: the glomerulus, the renal tubule, and the associated capillary network originating from the cortical radiate arteries. Biology for AP Courses 2022-06-09T00:00:00Z The glomerulus is a capillary bed that filters blood principally based on particle size. Anatomy and Physiology 2013-06-19T00:00:00Z Most of the solutes that were filtered in the glomerulus have now been recovered along with a majority of water, about 82 percent. Anatomy and Physiology 2013-06-19T00:00:00Z Only a 10 mm Hg pressure differential across the glomerulus is required for normal GFR, so very small changes in afferent arterial pressure significantly increase or decrease GFR. Anatomy and Physiology 2013-06-19T00:00:00Z This mechanism works in the afferent arteriole that supplies the glomerulus. Anatomy and Physiology 2013-06-19T00:00:00Z The capillaries deliver blood to the glomerulus and run parallel to the proximal convoluted tubule. Biology for AP Courses 2022-06-09T00:00:00Z Even so, it only influences the last 10 percent of water available for recovery after filtration at the glomerulus, because 90 percent of water is recovered before reaching the collecting ducts. Anatomy and Physiology 2013-06-19T00:00:00Z Recall that the DCT is in intimate contact with the afferent and efferent arterioles of the glomerulus. Anatomy and Physiology 2013-06-19T00:00:00Z It is produced in the lungs but binds to the surfaces of endothelial cells in the afferent arterioles and glomerulus. Anatomy and Physiology 2013-06-19T00:00:00Z It acts systemically to cause vasoconstriction as well as constriction of both the afferent and efferent arterioles of the glomerulus. Anatomy and Physiology 2013-06-19T00:00:00Z The capillaries deliver blood to the glomerulus and run perpendicular to the proximal convoluted tubule. Biology for AP Courses 2022-06-09T00:00:00Z The urinary system’s ability to filter the blood resides in about 2 to 3 million tufts of specialized capillaries—the glomeruli—distributed more or less equally between the two kidneys. Anatomy and Physiology 2013-06-19T00:00:00Z |
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