Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
es·tra·di·ol (E2),(es-tră-dī'ol, es-tra'dē-ōl),
β-Estradiol; 17β-estradiol; the most potent naturally occurring estrogen in mammals, formed by the ovary, placenta, testis, and possibly the adrenal cortex; therapeutic indications for estradiol are those typical of an estrogen. α-Estradiol (17α-estradiol), exhibits considerably less biologic activity.
Farlex Partner Medical Dictionary © Farlex 2012
oestradiolEstradial, a natural oestrogen drug that can be taken by mouth as a hormone replacement therapy and to control menopausal symptoms. Brand names are Climaval, Ellest Solo, Menorest, Progynova, Sandrena, Vagifem and Zumenon. Preparations of oestradiol (estradiol) for external use as a transdermal patch include Estelle Solo MX 40, Estraderm MX, Evorel, Fematrix 40 and Femseven. The drug is also used externally in a vaginal ring to treat post-menopausal vaginitis, under the brand name Estring.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
oestradiolan OESTROGEN produced by the follicle cells of the vertebrate ovary It promotes oestrus and the development of the endometrium, and stimulates ICSH secretion.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005