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estrogen
[es-truh-juhn]
noun
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
the usual US spelling of oestrogen
estrogen
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
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.
Other Word Forms
- antiestrogen noun
- estrogenic adjective
- ˌٰˈԾ adverb
Word History and Origins
Example Sentences
Usually, the first treatments for endometriosis, after pain relievers, are hormone injections which temporarily shut down the body's production of estrogen.
Some other physical changes from administering testosterone or estrogen are not reversible, the policy statement said.
The researchers hope this understanding of the mechanism of cancer cell survival will one day lead to treatments that prevent estrogen receptor positive breast cancers from returning.
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.
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