The functional excretory unit of the vertebrate kidney that regulates the amount of water in the body and filters wastes from the blood to produce urine.
[German, from Greek nephros, kidney.]
(click for a larger image)nephron
A. renal vein
B. renal artery
C. blood vessels
E. Bowman's capsule
G. collecting duct
I. loop of Henle
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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