adrenaline
a catecholamine secreted by the adrenal medulla in response to stress (trade name Adrenalin); stimulates autonomic nerve action • Syn: epinephrine, epinephrin, Adrenalin • Usage Domain: trade name (for: Adrenalin) • Hypernyms: hormone, endocrine, internal secretion, catecholamine, neurotransmitter, vasoconstrictor, vasoconstrictive, pressor
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