Biochemistry. a polypeptide hormone, produced by the anterior lobe of the pituitary gland, that stimulates the cortex of adrenal glands.
Pharmacology. this substance, extracted from the pituitary glands of hogs and other species, in the form of its white, water-soluble powder, used for the diagnosis of diseases that impair the adrenal glands.
Origin of ACTH
1940–45; a(dreno)c(ortico)t(ropic) h(ormone)
Also called adrenocorticotropic hormone, adrenocorticotropin.
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British Dictionary definitions for acth
adrenocorticotrophic hormone; a polypeptide hormone, secreted by the anterior lobe of the pituitary gland, that stimulates growth of the adrenal gland and the synthesis and secretion of corticosteroids. It is used in treating rheumatoid arthritis, allergic and skin diseases, and many other disordersAlso called: corticotrophin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medicine definitions for acth
[ ā′sē′tē-āch′ ]
Adrenocorticotropic hormone; a hormone that is produced by the anterior lobe of the pituitary gland and that stimulates the secretion of cortisone, aldosterone, and other hormones by the adrenal cortex.adrenocorticotropin adrenotropin corticotropin
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for acth
Abbreviation of adrenocorticotropic hormone
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.