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pregnanetriol

[ prĕg′nān-trīôl ]
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n.
A urinary metabolite of 17-alpha-hydroxyprogesterone and a precursor in the biosynthesis of cortisol; its excretion increases in certain diseases of the adrenal cortex and following administration of corticotropin.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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