Meaning | A catecholamine secreted by the adrenal medulla in response to stress (trade name Adrenalin); stimulates autonomic nerve action. |
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Synonyms | epinephrin, adrenaline, Adrenalin |
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Broader | catecholamine | Any of a group of chemicals including epinephrine and norepinephrine that are produced in the medulla of the adrenal gland |
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hormone, endocrine, internal secretion | The secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has a specific effect |
neurotransmitter | A neurochemical that transmits nerve impulses across a synapse |
vasoconstrictor, vasoconstrictive, pressor | Any agent that causes a narrowing of an opening of a blood vessel |
Spanish | adrenalina, epinefrina |
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Catalan | adrenalina, epinefrina |
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Adjectives | adrenergic | relating to epinephrine (its release or action) |
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antiadrenergic | relating to blocking or reducing adrenergic effects in the body |