Hor"mone (hôr"môn), 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.
© Webster 1913.