Estradiol, also spelled oestradiol, is an estrogen steroid hormone and the primary female sex hormone.
It is involved in the regulation of the estrous and menstrual female reproductive cycles.
Estradiol is a steroid estrogen. There are two types of estrogen, alpha, and beta, which are the most abundant and the most active. Granulosa cells secreted E2 in ovarian follicles. Its metabolites are estrone and estriol, which have 18 carbons.
The target organs are the uterus, vagina, fallopian tube, and pituitary gland.
Estrogen prompts cells to make DNA, RNA, and various proteins in their tissues and is involved in regulating the estrous and menstrual female reproductive cycles.
Estradiol (E2) Products
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Estradiol is a steroidal estrogen. There are two types, α and β, and the α type has a solid physiological effect. Winterstein et al. have been extracted from the urine of pregnant horses and can also be obtained from the urine of pregnant women, human placenta, and pig ovaries. Also present in the testes or urine of male horses. Because it has an intense sex hormone action, it is believed that it or its ester is the essential sex hormone secreted by the ovaries.
Estradiol (estradiol) has two types, α, and β. It is a kind of estrogen with the highest content and the most vigorous activity. It is secreted by the granulosa cells of the follicles in the ovary. Its metabolites are estrone and estriol, and it contains 18 carbon atoms.
Estrogen can induce cells to synthesize DNA, RNA, and various proteins in corresponding tissues. Its target organs are the uterus, vagina, fallopian tubes, and pituitary gland. It can be used as transdermal estrogen therapy supplements the lack of 17-beta estradiol secreted by women's ovaries while avoiding side effects caused by oral administration (breast pain, weight gain, hypertension, gallstones, abnormal liver function, etc.).
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