estrogen

estrogen
noun Etymology: New Latin estrus + International Scientific Vocabulary -o- + -gen Date: 1927 any of various natural steroids (as estradiol) that are formed from androgen precursors, that are secreted chiefly by the ovaries, placenta, adipose tissue, and testes, and that stimulate the development of female secondary sex characteristics and promote the growth and maintenance of the female reproductive system; also any of various synthetic or semisynthetic steroids (as ethinyl estradiol) that mimic the physiological effect of natural estrogens

New Collegiate Dictionary. 2001.

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  • estrogen — coined 1927 from ESTRUS (Cf. estrus) + GEN (Cf. gen). So called for the hormone s ability to produce estrus …   Etymology dictionary

  • estrogen — (Brit. oestrogen) ► NOUN ▪ any of a group of steroid hormones which promote the development and maintenance of female characteristics of the body. ORIGIN from OESTRUS(Cf. ↑oestrus) …   English terms dictionary

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