1. A catecholamine secreted by the adrenal medulla in response to stress (trade name Adrenalin); stimulates autonomic nerve action
   - epinephrine, epinephrin, adrenaline

Type of: catecholamine, endocrine, hormone, internal secretion, neurotransmitter, pressor, vasoconstrictive, vasoconstrictor

Encyclopedia: Adrenalin

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