释义 |
WordReference Random House Unabridged Dictionary of American English © 2024be′ta recep′tor, [Biochem., Physiol.]- Biochemistry, Drugs, Physiologya 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, be′ta-re•cep′tor. Also called beta-adrenergic receptor. Cf. alpha receptor. |