beta-human chorionic gonadotropin(redirected from b-human chorionic gonadotropin)
β-human chorionic gonadotropin
a 145-amino acid subunit unique to HCG, which has the same α-chain as FSH, LH, and TSH. Pregnancy tests specific for β-HCG are more sensitive because there is no confusion with other gonadotropins secreted by the pituitary.
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Beta-HCG (Beta-human chorionic gonadotropin)
A tumor marker associated with testicular cancer and tumors, such as choriocarcinoma and molar pregnancies, that begin in placental cells called trophoblasts.
Mentioned in: Tumor Markers
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.