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Distal Convoluted Tubule Cell
Renal Corpuscle

Distal Convoluted Tubule Cell

Cellula partis convolutae tubuli distalis

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Quick Facts

Simple cuboidal epithelium is a single layer of epithelium with cuboidal cells on its superficial surface; often found in kidney tubules and secretory ducts of exocrine glands (Ross and Pawlina, 2006).

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Structure and/or Key Feature(s)

Cuboidal epithelial cells line the distal convoluted tubule. Their apical surfaces exhibit some microvilli; however, they are not long enough nor as numerous as those forming a brush border in the proximal convoluted tubule.


The epithelial cells of the distal convoluted tubule:

—reabsorbs Na+ and so conserves Na+ and secretes of K+ into the glomerular filtrate;

—reabsorbs bicarbonate ions and so secretion of H+ ions which acidifies the urine;

—reabsorbs chloride (Cl−) ions;

—secretes ammonium ions (Ross and Pawlina, 2006).


Ross, M. H. and Pawlina, W. (2006) Histology: A text and atlas. Lippincott Williams & Wilkins.

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