Thick ascending limb of loop of Henle has-

A. Na+ K+ cotransporter

B. Na+Cl- cotronsporter

C. Na+ H+ cotronsporter

D. Na+ K+ 2C1- transporter

Correct Answer: Na+ K+ 2C1- transporter

Description: Ans. is 'd' i.e., Na+ K+ 2C1- transporter Na+ reabsorptiono 60-70% in proximal tubule - by Na" - H+ exchange, Na+ - Glucose contransport, Na+ - aminoacid cotransport, Na+ unitransport.o 30% in thick ascending limb of loop of Henle by Na+ - 2C1- - K+ cotransport.o 7% in early distal tubule - Na+ Cl- cotransporto 3% in late distal tubule and collecting duct - via ENaC channelso Na+ is reabsorbed in all segments of nephron except for thin descending limb of loop of Henle.

Category: Physiology

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