progesterone

progesterone

1) The major progestational steroid that is secreted primarily by the corpus luteum and the placenta. Progesterone acts on the uterus, the mammary glands, and the brain. It is required in embryo implantation, pregnancy maintenance, and the development of mammary tissue for milk production. Progesterone, converted from pregnenolone, also serves as an intermediate in the biosynthesis of gonadal steroid hormones and adrenal corticosteroids.

2) Produced in the corpus luteum and by the placenta, as an antagonist of estrogens. Promotes proliferation of uterine mucosa and the implantation of the blastocyst, prevents further follicular development.

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Industry/Domain: Health care
Category: Genetic disorders
Company: National Library of Medicine
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