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estrogen

[ es-truh-juhn ]

noun

, Biochemistry.
  1. any of several major sex hormones produced primarily by the ovarian follicles of mammals, capable of inducing estrus, developing and maintaining secondary female sex characteristics, and preparing the uterus for the reception of a fertilized egg: used, especially in synthetic form, as a component of oral contraceptives, in certain cancer treatments, and in other therapies.


estrogen

/ ˌɛstrəˈdʒɛnɪk; ˈɛstrədʒən; ˌiːstrə-; ˈiːstrə- /

noun

  1. the usual US spelling of oestrogen
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

estrogen

/ ĕstrə-jən /

  1. Any of a group of steroid hormones that primarily regulate the growth, development, and function of the female reproductive system. The main sources of estrogen in the body are the ovaries and the placenta. Estrogen-like compounds are also formed by certain plants.

estrogen

  1. A group of hormones , secreted mainly by the ovaries , that influence the female reproductive system in many ways, notably in preparing the body for ovulation and in the development of female secondary sex characteristics .
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Derived Forms

  • estrogenic, adjective
  • ˌestroˈgenically, adverb
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Other Words From

  • anti·estro·gen noun
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Word History and Origins

Origin of estrogen1

First recorded in 1925–30; estr(us) + -o- + -gen
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Example Sentences

She began treatment with puberty blockers and then estrogen.

For instance, women tend to report worse sleep during the time in their menstrual cycle when estrogen and progesterone are at their lowest.

The chances of experiencing prolapse also goes up in general with age, as estrogen levels decrease the strength of the connective tissues in the area during perimenopause.

From Salon

Kennedy, who spent tens of minutes ranting about seed oils, estrogen and pharmaceutical companies, also promoted in his speech the same conspiracy theories against vaccines that he’s lobbed for years.

From Salon

However, some substances, such as environmental estrogens can pass through the placental barrier and are suspected of being associated with various diseases.

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