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Definition of Human chorionic gonadotropin
1. Noun. Hormone produced early in pregnancy by the placenta; detection in the urine and serum is the basis for one kind of pregnancy test.
Generic synonyms: Gonadotrophic Hormone, Gonadotrophin, Gonadotropic Hormone, Gonadotropin
Definition of Human chorionic gonadotropin
1. Noun. A peptide hormone, produced during pregnancy, that prevents the breakdown of the corpus luteum and maintains progesterone production. ¹
¹ Source: wiktionary.com
Medical Definition of Human chorionic gonadotropin
1. A human hormone made by chorionic cells (in the foetal part of the placenta), hcg is directed at the gonads and stimulates them. Hcg becomes detectable (by immunologic means) within days of fertilization and forms the foundation of the common pregnancy tests. The level of hcg in maternal serum also enters as one component in the double and the triple screens used during pregnancy to assign risks of down syndrome and other foetal disorders. (12 Dec 1998)
Lexicographical Neighbors of Human Chorionic Gonadotropin
Literary usage of Human chorionic gonadotropin
Below you will find example usage of this term as found in modern and/or classical literature:
1. Directory of Federal Laboratory and Technology Resources: A Guide to (1993)
"... human chorionic gonadotropin beta-subunit, antiserum to the human chorionic
gonadotropin subunit, follistatin, GARH, ..."
2. Code of Federal Regulations, Title 21, Food and Drugs, Pt. 800-1299, Revised by Food and Drug Administration (FDA) Staff (2005)
"(b) human chorionic gonadotropin (HCG) test system intended for any uses other
than early detection of pregnancy(1) Identification. ..."
3. Proceedings of the Society for Expe (1903)
"The dotted line indicates changes in enzyme activity in ovaries from animals
injected with PMS at time 0 and 10 IU human chorionic gonadotropin (sc) at 48 ..."
4. Guide to Clinical Preventive Services: Report of the U. S. Preventive by DIANE Publishing Company (1996)
"A prospective trial of prenatal screening for Down syndrome by means of maternal
serum ot-fetoprotein, human chorionic gonadotropin, and unconjugated ..."
5. Science by American Association for the Advancement of Science (1883)
"... 2 international units] was administered at 4:30 to 5:30 pm followed 48 hours
later by 3 units of human chorionic gonadotropin (HCG) ["APL" (Ayerst), ..."