| / English Dictionary |
EPINEPHRIN
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
A catecholamine secreted by the adrenal medulla in response to stress (trade name Adrenalin); stimulates autonomic nerve action
Synonyms:
Adrenalin; adrenaline; epinephrin; epinephrine
Classified under:
Hypernyms ("epinephrin" is a kind of...):
pressor; vasoconstrictive; vasoconstrictor (any agent that causes a narrowing of an opening of a blood vessel: cold or stress or nicotine or epinephrine or norepinephrine or angiotensin or vasopressin or certain drugs; maintains or increases blood pressure)
endocrine; hormone; 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)
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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