progestin

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progestin

 [pro-jes´tin]
1. progestational agent.
2. a progestational agent secreted by the corpus luteum and stimulating release of proteolytic enzymes in preparation for ovulation and maturation of the endometrium.

pro·ges·tin

(prō-jes'tin),
1. A hormone of the corpus luteum.
2. Generic term for any substance, natural or synthetic, which effects some or all of the biologic changes produced by progesterone.
3. Synonym(s): gestagen
[pro- + gestation + -in]

progestin

/pro·ges·tin/ (-jes´tin) progestational agent.

progestin

(prō-jĕs′tĭn)
n.
Any of several synthetic progestational substances that mimic some or all of the actions of progesterone, used as contraceptives either alone or in combination with estrogen, and with estrogen in hormone replacement therapy.

progestin

[-jes′tin]
1 progesterone.
2 any of a group of hormones, natural or synthetic, secreted by the corpus luteum, placenta, or adrenal cortex that have a progesterone-like effect on the uterine endometrial lining to prepare it for implantation of the blastocyst.

pro·ges·tin

(prō-jes'tin)
1. A hormone of the corpus luteum.
2. Generic term for any substance, natural or synthetic, which effects some or all of the biologic changes produced by progesterone.
Compare: bioregulator
[pro- + gestation + -in]

Progestin

A synthetic or natural drug that acts on the uterine lining.

pro·ges·tin

(prō-jes'tin)
1. Hormone of corpus luteum.
2. Generic term for any substance, natural or synthetic, which effects some or all biologic changes produced by progesterone.
[pro- + gestation + -in]

progestin (prōjes´tin),

n a hormone that suppresses the release of luteinizing hormone and thereby inhibits the onset of menstruation. Synthetically produced progestin and estrogen are used in combination as an effective contraception.

progestin

originally, the crude hormone of the corpus luteum; it has since been isolated in pure form and is now known as progesterone. Certain synthetic and natural progestational agents are called progestins.