chorionic gonadotropin

or chorionic gonadotrophin


noun

Also called human chorionic gonadotropin. Biochemistry. a hormone, produced in the incipient placenta of pregnant women, that stimulates the production of estrogen and progesterone: its presence in blood or urine is an indication of pregnancy.
Pharmacology. a commercial form of this substance, obtained from the urine of pregnant mares, used in medicine in the treatment of testicular disorders and functional uterine bleeding, and in veterinary medicine in the treatment of cystic ovaries, especially in cows and mares.

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Origin of chorionic gonadotropin

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Medical definitions for chorionic gonadotropin

chorionic gonadotropin

n.

A glycoprotein that is produced by the placenta and is excreted in the urine of pregnant women, and that acts to stimulate ovarian secretion of the estrogen and progesterone that are required to maintain the conceptus; it is used as an aid for conception and in the treatment of cryptorchidism.anterior pituitary-like hormone chorionic gonadotropic hormone human chorionic gonadotropin
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.