catecholamine

views updated May 18 2018

catecholamine A dihydroxyphenylalkylamine derivative of the amino acid tyrosine: adrenalin and noradrenalin are two such derivatives. Many catecholamines act as neurotransmitters.

A Dictionary of Zoology MICHAEL ALLABY

catecholamine

views updated Jun 08 2018

catecholamine Any of a class of amines that possess a catechol (C6H4(OH)2) ring. Including dopamine, adrenaline, and noradrenaline, they function as neurotransmitters and/or hormones.

A Dictionary of Biology

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catecholamine

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