beta receptor
or be·ta-re·cep·tor
nounBiochemistry, 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.
Origin of beta receptor
1First recorded in 1960–65
- Also called beta-adrenergic receptor.
- Compare alpha receptor.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
Browse