Estrogen
primary female sex hormone in mammals, as well as a medication, is responsible for the development and regulation of the female reproductive system and secondary sex characteristics From Wikipedia, the free encyclopedia
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Estrogen (also spelled oestrogen) is a group of female hormones.[1] It includes oestrone (E1), oestradiol (E2), and oestriol (E3).
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Oestradiol is the most important oestrogen. Oestrogen is mainly secreted by the ovary, a small amount by the liver, adrenal cortex, and breast. In pregnancy, the placenta can also have a lot of secretion. Male testes also secrete a small amount. Ovary mainly secretes β-estradiol, other estrogens are less important.[2]
Oestrogen helps women grow during puberty and is part of the menstrual cycle. During menopause, oestrogen levels go down. The male hormone that is similar is androgen.
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Biosynthesis
Related pages
- Prostaglandin
- Puberty
References
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