Lexic.us

Definition of Catecholamine

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

Definition of Catecholamine

1. [n -S]

Medical Definition of Catecholamine

1. A type of biogenic amine derived from tyramine, characterised as alkylamino derivatives of ortho-dihydroxyphenylalkylamines in turn derived from tyrosine. Catecholamines include adrenaline, noradrenaline and dopamine, with roles as hormones and neurotransmitters. Measurement of noradrenaline and adrenaline can be made in blood and urine. Elevations may be seen in pheochromocytoma or neuroblastoma. Normal blood levels of adrenaline should be: 20 ng/ml and normal blood levels of noradrenaline should be 60 ng/ml. (16 Mar 1998)

Lexicographical Neighbors of Catecholamine

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