from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A hormone secreted by the pituitary gland that regulates skin color in humans and other vertebrates by stimulating melanin synthesis in melanocytes and melanin granule dispersal in melanophores. Also called intermedin.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of a class of peptide hormones released by the pituitary gland that are involved in regulating the production of melanin.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a hormone secreted by the anterior pituitary gland that controls the degree of pigmentation in melanocytes
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