catecholamine

[ kat-i-kol-uh-meen, -koh-luh- ]
/ ˌkæt ɪˈkɒl əˌmin, -ˈkoʊ lə- /

noun Biochemistry.

any of a group of chemically related neurotransmitters, as epinephrine and dopamine, that have similar effects on the sympathetic nervous system.

Origin of catecholamine

First recorded in 1950–55; catechol + -amine

Words nearby catecholamine

catechin, catechism, catechist, catechize, catechol, catecholamine, catechu, catechumen, categorematic, categorial, categorial grammar

British Dictionary definitions for catecholamine

catecholamine
/ (ˌkætəˈkɒləˌmiːn) /

noun

any of a group of hormones that are catechol derivatives, esp adrenaline and noradrenaline

Word Origin for catecholamine

C20: from catechu + -ol 1 + amine

Medical definitions for catecholamine

catecholamine
[ kăt′ĭ-kō′lə-mēn′, -kô′- ]

n.

Any of a group of amines composed of a pyrocatechol molecule and the aliphatic portion of an amine that have important physiological effects as neurotransmitters and hormones, such as epinephrine, norepinephrine, and L-dopa.

Scientific definitions for catecholamine

catecholamine
[ kăt′ĭ-kō′lə-mēn′, -kô′- ]

Any of a group of amines derived from catechol that have important physiological effects as neurotransmitters and hormones and include epinephrine, norepinephrine, and dopamine.