Adrenalin

Definitions of Adrenalin

1. noun

   a catecholamine secreted by the adrenal medulla in response to stress (trade name Adrenalin); stimulates autonomic nerve action
   synonyms: adrenaline, epinephrin, epinephrine

   type 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