from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A secretion that is produced by an endocrine gland and discharged directly into the bloodstream; a hormone.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has a specific effect
Sorry, no etymologies found.