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Small Ions: Sodium/Potassium Ions
Water Molecules
Urea Molecules
Other Waste Products ( Amino Acids)
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What substance is likely to appear in urine whe the glomerulus is inflamed?
Protein is likely to appear in urine when the glomerulus is inflamed. Normally, protein is not filtered through the glomerulus; however, inflammation of the glomerulus can lead to increased permeability, allowing protein to pass through and be excreted in the urine.
What is part of the nephron where substaces are filtered from glomerulus?
The Bowman's capsule is the part of the nephron that filters substances from the glomerulus. It surrounds the glomerulus and is responsible for collecting the filtrate that is produced.
What substances do aquaporins allow to pass through?
Aquaporins allow water molecules to pass through cell membranes.
Where does filtration of blood occurs?
Filtration of blood occurs in the kidneys, specifically in the glomerulus within the nephron. The glomerulus filters waste and excess substances from the blood into the renal tubules for further processing and excretion as urine.
What single characteristic of the semipermeable membrane used in the laboratory determines the substances that can pass through them?
The molecular size of the substances is the single characteristic that determines which substances can pass through a semipermeable membrane in the laboratory. Smaller molecules can pass through while larger molecules are blocked.
Process whereby some substances pass through the walls of a glomerulus?
Filtration
What are two substances that do not leave the glomerulus during filtration?
Substances like blood cells and large proteins do not normally leave the glomerulus during filtration in the kidneys. These large molecules are retained in the blood as they are too big to pass through the filtration barrier.
What can not pass through the glomerulus?
Renal calculi, better known as kidney stones cannot pass through.
What substance is likely to appear in urine whe the glomerulus is inflamed?
Protein is likely to appear in urine when the glomerulus is inflamed. Normally, protein is not filtered through the glomerulus; however, inflammation of the glomerulus can lead to increased permeability, allowing protein to pass through and be excreted in the urine.
Blood is filtered through---------the of the nephron?
Blood is filtered through the glomerulus of the nephron in the kidney. The glomerulus acts as a specialized cluster of blood capillaries that allows small molecules such as water, salts, and waste products to pass into the nephron for urine formation.
What is the function of the glomerulus and the bowman's capsule?
The glomerulus and bowmans capsule are part of the excretory system, and they are found in the nephron of a kidney. The function of the glomerulus and the bowman's capsule is to filter the substances in the blood. The glomerulus is a tangle of capillaries which have little slits in them. Water, salts, glucose and urea pass through the slits into the bowmans capsule, which leads to kidney tubules. Then, as the kidney tubules are surrounded by capillaries, the useful substances (all glucose, some salts, most water) are re-absorbed, and only urea and some salts carry on to be excreted.
What feeds the glomerulus and what drains the glomerulus?
Blood enters the glomerulus through the afferent arteriole and drains through the efferent arteriole.
What is the function of the glomerulus and the bowmans capsule?
The glomerulus and bowmans capsule are part of the excretory system, and they are found in the nephron of a kidney. The function of the glomerulus and the bowman's capsule is to filter the substances in the blood. The glomerulus is a tangle of capillaries which have little slits in them. Water, salts, glucose and urea pass through the slits into the bowmans capsule, which leads to kidney tubules. Then, as the kidney tubules are surrounded by capillaries, the useful substances (all glucose, some salts, most water) are re-absorbed, and only urea and some salts carry on to be excreted.
What is part of the nephron where substaces are filtered from glomerulus?
The Bowman's capsule is the part of the nephron that filters substances from the glomerulus. It surrounds the glomerulus and is responsible for collecting the filtrate that is produced.
What substances are normally unable to pass through the glomerular walls?
Large molecules such as proteins, blood cells, and platelets are normally unable to pass through the glomerular walls due to their size. Additionally, negatively charged particles like albumin are also restricted from passing through as they are repelled by the negatively charged basement membrane of the glomerulus.
What is the process by which substances leave the glomerulus and enter the glomerular capsule?
Filtration
What substances do aquaporins allow to pass through?
Aquaporins allow water molecules to pass through cell membranes.
