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Pronunciation: preg'nan

Definition: Parent hydrocarbon of two series of steroids stemming from 5a-pregnane (originally allopregnane) and 5ß-pregnane (17ß-ethyletiocholane). 5ß-Pregnane is the parent of the progesterones, pregnane alcohols, ketones, and several adrenocortical hormones and is found largely in urine as a metabolic product of 5ß-pregnane compounds.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.