catecholamine

English Thesaurus

1. any of a group of chemicals including epinephrine and norepinephrine that are produced in the medulla of the adrenal gland (noun.substance)

hypernym	:	endocrine, hormone, internal secretion,
definition	:	the secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has a specific effect (noun.body)

hyponym	:	noradrenaline, norepinephrine,
definition	:	a catecholamine precursor of epinephrine that is secreted by the adrenal medulla and also released at synapses (noun.body)

hyponym	:	adrenalin, adrenaline, epinephrin, epinephrine,
definition	:	a catecholamine secreted by the adrenal medulla in response to stress (trade name Adrenalin); stimulates autonomic nerve action (noun.body)