CATECHOLAMINE

Pronunciation (US):

(GB):

 Dictionary entry overview: What does catecholamine mean? 

• CATECHOLAMINE (noun)
  The noun CATECHOLAMINE has 1 sense:

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

  Familiarity information: CATECHOLAMINE used as a noun is very rare.

 Dictionary entry details 

• CATECHOLAMINE (noun)

Sense 1

Meaning:

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

Classified under:

Nouns denoting substances

Hypernyms ("catecholamine" is a kind 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)

Hyponyms (each of the following is a kind of "catecholamine"):

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)

 Context examples 

A synthetic catecholamine with sympathomimetic activity.

(Dobutamine, NCI Thesaurus)

The hydrochloride salt form of dobutamine, a synthetic catecholamine with direct inotropic activity.

(Dobutamine Hydrochloride, NCI Thesaurus)

The tartrate salt form of dobutamine, a synthetic catecholamine with sympathomimetic activity.

(Dobutamine Tartrate, NCI Thesaurus)

Diethylpropion stimulates neurons to release and maintain high levels of catecholamines including dopamine and norepinephrine resulting in a suppression of hunger signals and appetite.

(Diethylpropion, NCI Thesaurus)

Both agents are non-catecholamine, sympathomimetic agents that elevate blood pressure and cause bronchodilation.

(Dextroamphetamine-amphetamine, NCI Thesaurus)

This allele, which encodes catechol O-methyltransferase protein, plays a role in the O-methylation-mediated inactivation of catecholamine neurotransmitters and catechol hormones.

(COMT wt Allele, NCI Thesaurus)

Pheochromocytomas and paragangliomas secrete catecholamines — substances that stimulate the central nervous system.

(Rare cancers may masquerade as ADHD in children, NIH)

Dextroamphetamine sulphate acts by facilitating the release of catecholamines, particularly noradrenaline and dopamine, from nerve terminals in the brain and inhibits their uptake.

(Dextroamphetamine Sulfate, NCI Thesaurus)

Dopamine is a naturally occurring catecholamine formed by decarboxylation of dehydroxyphenylalanine and a precursor of norepinephrine and epinephrine.

(Dopamine, NCI Thesaurus)

One of the catecholamine NEUROTRANSMITTERS in the brain.

(Dopamine, NLM, Medical Subject Headings)