of or relating to a beta receptor.
- Beta abstraction
- Beta-adrenergic receptor
beta receptor. 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.
- Beta blocker
any of various substances that interfere with the action of the beta receptors: used primarily to reduce the heart rate or force in the prevention, management, or treatment of angina, hypertension, or arrythmias.
- Beta brass
an alloy consisting of nearly equal proportions of copper and zinc.