- an endocrine secretion that depresses or inhibits physiological activity.
Origin of chalone
1910–15; < Greek chalôn, present participle of chalân to slacken, loosen; on the model of hormone
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- any internal secretion that inhibits a physiological process or function
C20: from Greek khalōn, from khalan to slacken
- A hormone that inhibits rather than stimulates.
- Any of several polypeptides produced by a tissue and causing the reversible inhibition of mitosis in cells of that tissue.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.