beta Adrenergic Receptors Definition
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Beta Adrenergic Receptors: One of the two major pharmacologically defined classes of adrenergic receptors. The alpha-beta distinction was originally based on the cellular effects of receptor activation but now relies on the relative affinities for characteristic synthetic ligands. Beta adrenergic receptors are further subdivided based on information from endogenous and cloned receptors.
Synonym: adrenergic beta receptors, adrenergic, beta receptor.