Estrone
[es-trohn] /ˈɛs troʊn/
noun
1.
Biochemistry. an estrogenic hormone, C 18 H 22 O 2 , 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.
/ˈɛstrəʊn; ˈiːstrəʊn/
noun
1.
the usual US spelling of oestrone
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.
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