Hypertext Webster Gateway: "hormone"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Hormone \Hor"mone\ (h[^o]r"m[=o]n), n. [From Gr. "orma`ein to
excite.] (Physiol. Chem.)
A chemical substance formed in one organ and carried in the
circulation to another organ on which it exerts a stimulating
effect; thus, according to Starling, the gastric glands are
stimulated by a hormone from the pyloric mucous membrane.
From WordNet (r) 1.7 (wn)
hormone
n : an endocrine secretion that is transmitted by the blood to
the tissue on which it has a specific effect [syn: {internal
secretion}]
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