estriol

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estriol

 [es´tre-ol]
a relatively weak human estrogen that is a metabolic product of estradiol and estrone found in high concentration in the urine of females.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

es·tri·ol

(es'trē-ol),
An estrogenic metabolite of estradiol, usually the predominant estrogenic metabolite found in urine (especially during pregnancy); epimers at C-16, C-17, or both, are known as 16-epiestriol, 16,17-epiestriol, and 17-epiestriol.
Farlex Partner Medical Dictionary © Farlex 2012

estriol

(ĕs′trī-ôl′, -ōl′, -ŏl′, ĕ-strī′-)
n.
An estrogenic hormone, C18H24O3, that is a metabolite of estradiol and is present chiefly during pregnancy. It is produced by the placenta and is found in the urine of pregnant women.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

oestriol

The weakest of the three natural human oestrogens; it only appears in significant amounts during pregnancy as it is produced by the placenta from 16-OH DHEA-S, an androgen produced by the foetal liver and adrenal glands.

Pronunciation
Medspeak-UK: pronounced, EE stree oll
Medspeak-US: pronounced, ESS tree oll
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

estriol

Physiology A steroid hormone, the synthesis of which depends on a sequence of biochemical reactions in the placenta or fetus in a functional compartment, the fetoplacental unit–FPU. See Triple marker.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

es·tri·ol

(es'trē-ol)
An estrogenic metabolite of estradiol, usually the predominant estrogenic metabolite found in urine (especially during pregnancy).
Synonym(s): oestriol.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012