beta receptor

or be·ta-re·cep·tor


noun Biochemistry, Physiology.

a site on a cell, as of the heart, that, upon interaction with epinephrine or norepinephrine, controls heartbeat and heart contractability, vasodilation, smooth muscle inhibition, and other physiological processes.
Also called beta-adrenergic receptor.
Compare alpha receptor.

Origin of beta receptor

First recorded in 1960–65