Medical Dictionary


noun hor·mone \ˈhr-ˌmōn\

Medical Definition of HORMONE

a :  a product of living cells that circulates in body fluids (as blood) or sap and produces a specific often stimulatory effect on the activity of cells usually remote from its point of origin—called also internal secretion; see plant hormone b :  a synthetic substance that acts like a hormone
hor·mone·like \-ˌlīk\ adjective
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