Definition of beta receptor in US English:

beta receptor


  • An adrenergic receptor in the sympathetic nervous system, stimulation of which results especially in increased cardiac activity.

    • ‘Researchers would like to further their investigation into the role of the beta receptor by studying women already undergoing fertility treatment.’
    • ‘Stimulation of a beta receptor causes muscle vasodilation, bronchial relaxation, and cardiac acceleration.’
    • ‘Its most prominent actions are on the beta receptors of the heart, vascular muscles, and other smooth muscles.’
    • ‘Blocking the impact of norepinephrine by blocking beta receptors would, in theory, block the adverse affects of norepinephrine.’
    • ‘Each alpha and beta receptor elicits a unique response from different body organs when stimulated by catecholamines.’