hyposthenuria
(hī-pŏs′thə-nur′ē-ə)- Excretion of urine of low specific gravity due to an inability of the tubules of the kidneys to produce concentrated urine.
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The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.