ethynyl estradiol

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e·thy·nyl es·tra·di·ol

a semisynthetic derivative of 17β-estradiol; active by mouth, with a long half-life, it is among the most potent of known estrogenic compounds; used in oral contraceptive preparations.
Synonym(s): ethinyl estradiol
Farlex Partner Medical Dictionary © Farlex 2012
References in periodicals archive ?
Recently, plant metabolites (phytochemicals) with estrogenic properties have been actively investigated as alternative to synthetic compounds (estradiol and ethynyl estradiol) for therapeutical purpose in humans.
2000: Binding to human [alpha]-GST FRs Estradiol-17[beta] (reference chemical) 0.29 I[C.sub.50] 4-Hydroxytamoxifen 1.90 I[C.sub.50] Ethynyl estradiol 2.30 I[C.sub.50] DES 3.20 I[C.sub.50] [alpha]-Zearalanol 6.10 I[C.sub.50] Estrone 6.50 I[C.sub.50] ICI 164, 384 7.00 I[C.sub.50] Estriol 10.00 I[C.sub.50] [beta]-Zearalanol 23.00 I[C.sub.50] Tamoxifen 28.00 I[C.sub.50] Estradiol benzoate -9.00 I[C.sub.50] Zearalenone 31.00 I[C.sub.50] HPTE 250.00 I[C.sub.50] Coumestrol 360.00 I[C.sub.50] Genistein 630.00 I[C.sub.50] 4-t-Octylphenol 2,400.00 I[C.sub.50] Dihydrotesterone 5,900.00 I[C.sub.50] Bisphenol A 36,000.00 I[C.sub.50] Kepone 42,000.00 I[C.sub.50] Matthews et al.