a portion of the nephron in the kidney that functions in concentrating urine and in maintaining salt, water, and sugar balance.
Origin of convoluted tubule
First recorded in 1945–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
The highly convoluted segments of nephron in the renal labyrinth of the kidney made up of the proximal tubule leading from the Bowman's capsule to the descending limb of Henle's loop and the distal tubule leading from the ascending limb of Henle's loop to a collecting tubule.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.