catecholamine

Other forms: catecholamines

Definitions of catecholamine

1. noun

   any of a group of chemicals including epinephrine and norepinephrine that are produced in the medulla of the adrenal gland
   types:

   noradrenaline, norepinephrine

   a catecholamine precursor of epinephrine that is secreted by the adrenal medulla and also released at synapses

   Adrenalin, adrenaline, epinephrin, epinephrine

   a catecholamine secreted by the adrenal medulla in response to stress (trade name Adrenalin); stimulates autonomic nerve action

   type of:

   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