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Edgar Allen and Edward A. Doisy's Extraction of Estrogen from Ovarian Follicles, (1923)
By: Brendan Van Iten
| Published: Mar 02, 2017
In the early 1920s, researchers Edgar Allen and Edward Adelbert Doisy conducted an experiment that demonstrated that ovarian follicles, which produce…
OvariesCorpus LuteumEndometriumEstrogenHormones, Sex
Edgar Allen (1892–1943)
By: Brendan Van Iten
| Published: Jul 23, 2017
Edgar Allen identified and outlined the role of female sex hormones and discovered estrogen in the early 1900s in the US. In 1923, Allen, through his…
EstrogenHormones, SexOogenesisEstrusMenstrual Cycle
Clinical Tests of Estrogen Injections on Women with Abnormal Menstrual Cycles During the Early 1920s by Jean Paul Pratt and Edgar Allen
By: Brendan Van Iten
| Published: Apr 06, 2017
In the early twentieth century US, Jean Paul Pratt and Edgar Allen conducted clinical experiments on women who had abnormal menstrual cycles. During…
EstrogenEndocrinologyDoisy, Edward Adelbert, 1893-1986MenstruationUterus