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Leya [2.2K]
3 years ago
15

Which structure is highlighted? proximal convoluted tubule descending loop of Henle distal convoluted tubule ascending loop of H

enle

Biology
1 answer:
SVETLANKA909090 [29]3 years ago
5 0

Answer:

distal convoluted tubule

Explanation:

This is the region  of the nephron downstream the macula densa ,which extends the  to convulence of the collecting duct.Due to response to  mineralocoticoid aldosterone they can be categorised as Distal Convoluted 1 and Distal convoluted 2. This steroid hormones is responsible for homeostatic control of hyperkalemia.

The DCT cells are simple cuboidal epithelium.The stained or  pointed part of the image represented this possess this shape,they are therefore portion of DCT. Besides the stained cells are located above the glomerulus ()in  the cortex as indicated,therefore they can not be the proximal which must be  below the glomerulus, based on the  shape ascending and descending loop of Henle (despite  located in the cortex too).

The functions of the DCT is  in the absorption and secretions of ions(majorly ca+,Na+ and chloride ions.By secreting hydrogen and reabsorbing  HC03 ions ,the pH of the urine is maintained.

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