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a crystalline saturated steroid hydrocarbon; β-pregnane is the form from which several hormones, including progesterone, are derived; α-pregnane is the form excreted in the urine.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
Parent hydrocarbon of two series of steroids stemming from 5α-pregnane (originally allopregnane) and 5β-pregnane (17β-ethyletiocholane). 5β-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 5β-pregnane compounds.
Farlex Partner Medical Dictionary © Farlex 2012
Parent hydrocarbon of the progesterones, pregnane alcohols, ketones, and several adrenocortical hormones.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012