Estrogeno
Estrogenos son un categoria de primari hormona sexual responsibile in mammiferos del disveloppamento e regulation del systema reproductive feminin e characteres sexual secondari.[1][2]
Le tres major estrogenos endogene con estrogenic hormonal activitate son le estrone (E1), estradiol (E2) e estriol (E3).[1][3] Le estradiol, un estrane, es le plus potente e prevalente.[1] Un altere estrogeno, appellate estetrol (E4), es producite solmente durante graviditate.
Iste steroides son producite principalmente per folliculos ovarian e placenta. Alcun estrogenos son producite in parve quantitate per altere texitos como le ficato, glandula adrenal, pectores e texito adipose. Iste fontes secondari de estrogeno son importante post le menopausa.
Referentias modificar
- ↑ 1,0 1,1 1,2 (2019) Understanding Pathophysiology. Elsevier Health Sciences, 767. ISBN 978-0-32-367281-8. “Estrogen is a generic term for any of three similar hormones derived from cholesterol: estradiol, estrone, and estriol.”
- ↑ (2017) Pharmacology and Pharmacotherapeutics. Elsevier Health Sciences, 943. ISBN 978-8-13-124941-3. “The natural estrogens are steroids. However, typical estrogenic activity is also shown by chemicals which are not steroids. Hence, the term 'estrogen' is used as a generic term to describe all the compounds having estrogenic activity.”
- ↑ (December 20, 2021) "Estrogen", StatPearls [Internet]. StatPearls Publishing. “Estrogen is a steroid hormone associated with the female reproductive organs and is responsible for the development of female sexual characteristics. Estrogen is often referred to as estrone, estradiol, and estriol. ... Synthetic estrogen is also available for clinical use, designed to increase absorption and effectiveness by altering the estrogen chemical structure for topical or oral administration. Synthetic steroid estrogens include ethinyl estradiol, estradiol valerate, estropipate, conjugate esterified estrogen, and quinestrol.”