- pregnanetriol
- 5β-Pregnane-3α,17α,20α-triol; a urinary metabolite of 17-hydroxyprogesterone and a precursor in the biosynthesis of cortisol; its excretion is enhanced in certain diseases of the adrenal cortex and following administration of corticotropin.
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preg·nane·tri·ol (preg″nān-triґol) a metabolite of 17α-hydroxyprogesterone, normally occurring in small amounts in body fluids and urine, but greatly increased in disorders of the adrenal cortex in which 21-hydroxylation of the steroid nucleus is impaired, as in the most common form of congenital adrenocortical hyperplasia with virilism.
Medical dictionary. 2011.