Noun: epinephrin ,e-pi'nef-rin
- A catecholamine secreted by the adrenal medulla in response to stress (trade name Adrenalin); stimulates autonomic nerve action
"epinephrin is used to treat severe allergic reactions";
- epinephrine, adrenaline, Adrenalin
Type of: neurotransmitter, pressor, vasoconstrictive, vasoconstrictor
Encyclopedia: Epinephrin