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estrone

 - 4 dictionary results

es⋅trone

[es-trohn]
–noun
1. Biochemistry. an estrogenic hormone, C18H22O2, produced by the ovarian follicles and found during pregnancy in urine and placental tissue.
2. Pharmacology. a commercial form of this compound, obtained from the urine of pregnant women or synthesized from ergosterol, used in the treatment of estrogen deficiency and certain menopausal and postmenopausal conditions.
Also, estrin.


Origin:
1930–35; estr(in) + -one
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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es·trone   (ěs'trōn')   
n.  An estrogenic hormone, C18H22O2, used primarily in the treatment of estrogen deficiency. Also called theelin.

[estr(us) + -one.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: es·trone
Pronunciation: 'es-"trOn
Variant: or chiefly British oes·trone /'E-"strOn/
Function: noun
: a natural estrogenic hormone that is a ketone C18H22O2 found in the body chiefly as a metabolite of estradiol, is also secreted especially by the ovaries, and is usedto treat various conditions (as ovarian failure and menopausal symptoms) relating to estrogen deficiency —see THEELIN
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

estrone es·trone (ěs'trōn')
n.
A metabolite of estradiol, commonly found in urine, having considerably less biological activity than estradiol but similar properties and uses. Also called theelin.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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