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Answered 2010-11-28 03:24:29

absorption of ions, organic molecules, vitamins, and water.

secretion of acids and ammonia

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What is the first portion of the renal tubule?

the three main portions of the renal tubule are the proximal convoluted tubule, the loop of henle, and the distal convoluted tubule. the proximal convoluted tubule is the first portion. The proximal (convulated) tubule.


What are the subdivisons of the renal tubule?

Proximal convoluted tubule, Loop of henle and Distal convoluted tubule.


What histological feature distinguishes a proximal convoluted tubule from 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.


Is creatinine reabsorbed by the proximal convoluted tubule?

no


What are the parts of the renal tubule?

Three main sections make up the renal tubule: Proximal convoluted tubule, the loop of henle, and the distal convoluted tubule.


How does the renal tubule function?

Three main sections make up the renal tubule: Proximal convoluted tubule, the loop of Henley, and the distal convoluted tubule.


What is removed at the proximal convoluted tubule?

About 90 % of the fitered sodium chlorid in glomerulus is reabsorbed in proximal convoluted tubules.


Once fluid enters the proximal convoluted tubule?

+


Where are most glucose reabsorbed?

the proximal convoluted tubule


What are the 5 parts of nephron?

distal convoluted tubule, glomerulus, loop of henle, bowmans capsule, proximal convoluted tubule


What is the section of the renal tubule closest to the glomerular capsule?

The proximal convoluted tubule is closest to the glomerular capsule. The distal convoluted tubule is farther away.


What happens to glucose if it is not reabsorbed from the proximal convoluted tubule?

it pass through the next tubule


What is the primary site of tubular reabsorbtion?

In the proximal convoluted tubule


Where does selective reabsorption takes place?

The proximal convoluted tubule


How do Nutrients return to the blood through?

proximal convoluted tubule


What is the anatomical pathway of a molecule of metabolic waste from the glomerular capsule to the urethra?

glomerular capsulepapillary ductproximal convoluted tubuleloop of Henledistal convoluted tubulecollecting tubuleminor calyxmajor calyxrenal pelvisureterbladderurethraglomerular capsulepapillary ductproximal convoluted tubuleloop of henledistal convoluted tubulecollecting tubuleminor calyxmajor calyxureterbladderurethraglomerular capsule-> proximal convoluted tubule-> loop of henle-> distal convoluted tubule-> collecting duct-> medullary pyramid -> calyx -> renal pelvis-> ureter-> urethra


What is the primary site of tubular reabsorption in the kidneys?

Proximal Convoluted Tubule


Primary site of tubular reabsorption in kidney?

proximal convoluted tubule


What part of the nephron drains into the loop of henle?

proximal convoluted tubule


Where does most solute reabsorption occur in the nephron?

Proximal Convoluted Tubule


Which is reabsorbed by the proximal convoluted tubule?

Sodium, glucose, and amino acids.


Why is the proximal convoluted tubule twisted?

to increase the surface area for reabsorbtion


What is the highly coiled structure that is close to the nephron?

That is proximal convoluted tubule.


Is Proximal convoluted tubule the siteof glucose and amino acid?

Under normal conditions, the proximal convoluted tubule reabsorbs all of the glucose, lactate, and amino acids in the filtrate and 65% of the Na+ and water.


ARE THE lumen surfaces of the tubule cells within the proximal convoluted tubule are covered with micro villi?

yes


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