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reabsorption of most of the required substances from the filtrate

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What is the  main function of the proximal convoluted tubules in urine formation?

reabsorption of most of the required substances from the filtrate


What histological feature distinguishes proximal convoluted tubule from a distal convoluted tubule?

Proximal convoluted tubules have brush borders or microvilli on the inner edge of the tubule. Distal convoluted tubules do not have this structure.


Where are all the proximal and distal convoluted tubules of the kidney located?

If you are talking about the proximal/distal convoluted tubules. Then you are talking about a kidney, and in between them is the nephron loop or the Loop of Henle


What type of cells form the proximal convoluted tubules?

Simple Cuboidal with Microvilli


What is the function of bowman capsule?

The Bowman's Capsule is part of a Nephron, which would be found in the Kidney. It's function is to collect the filtrate from the Glomerulus, passing it on to the Proximal Convoluted Tubules (PCT's); subsequently, to the rest of the Nephron.


What is the medical term meaning portion of a nephron that is active in filtering urine?

The Proximal convoluted tubules, descending loop , ascending loop of henle and the distal convoluted tubules. Though the collecting ducts determine the final concentration of urine, an author states that it's not a part of the nephron.


The portion of the nephron that is between the proximal and distal convoluted tubules is the?

The portion of the nephron between the proximal and distal convoluted tubules is the Loop of Henle. This segment plays a crucial role in reabsorbing water and controlling the concentration of urine by creating a concentration gradient in the kidney medulla.


Where does the reabsorption of glucose primarily occur in the kidneys?

The reabsorption of glucose primarily occurs in the proximal convoluted tubule of the nephron in the kidney. Glucose is filtered out of the blood in the glomerulus, and then most of it is reabsorbed back into the bloodstream in the proximal convoluted tubule to prevent its loss in the urine.


What is removed at the proximal convoluted tubule?

At the proximal convoluted tubule, reabsorption of water, glucose, amino acids, and ions (such as sodium, potassium, and chloride) from the filtrate back into the bloodstream occurs. Waste products and toxins are also secreted into the tubule for excretion in the urine.


The proximal convoluted tubules reabsorb what percentage of filtered water?

The largest amount of solute and water reabsorption from filtered fluid occurs in the proximal convoluted tubules, which reabsorb 65% of the filtered water, Na+, and K+; 100% of most filtered organic solutes such as glucose and amino acids; 50% of the filtered Cl-; 80-90% of the filtered HCO3-; 50% of the filtered urea; and a variable amount of the filtered Ca2+, Mg2+, and HPO42- (phosphate). In addition, proximal convoluted tubules secrete a variable amount of H+ ions, ammonium ions (NH4+), and urea. So your answer is 65%


What part of the renal tubule does reabsorption occur?

Reabsorption primarily occurs in the proximal convoluted tubule of the nephron in the kidney. This is where the majority of essential substances such as water, glucose, amino acids, and ions are reabsorbed back into the bloodstream from the filtrate.


How long are the kidney tubules measure?

The kidney tubules can vary in length, with the proximal convoluted tubule being the longest at about 14-15 mm, the loop of Henle measuring around 22-25 mm, and the distal convoluted tubule being approximately 5 mm in length.