catecholamine

American  

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

noun

Biochemistry.

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

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catecholamine British  

/ ˌkætəˈkɒləˌmiːn /

noun

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

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catecholamine Scientific  

/ kăt′ĭ-kō′lə-mēn′,-kô′- /

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

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Etymology

Origin of catecholamine

First recorded in 1950–55; catechol + -amine

Example Sentences

More pharmacological discoveries followed, including the first tricyclic antidepressants — drugs that reduce the absorption of neurotransmitters called catecholamines.

From Salon

The small, bubbly-looking orange adrenal gland sits atop each kidney and makes adrenaline and substances called catecholamines.

From Seattle Times

Like dopamine, these neurotransmitters are all catecholamines, and he took a gamble that the drug might also help get rid of the excessive dopamine in the brains of these young people with VCFS.

From Washington Post

Ongoing elevated levels of stress hormones, such as cortisol and catecholamines, are thought to mediate this wear and tear and aggravate tissue damage.

From Scientific American

When under stress, the system releases hormones called catecholamines.

From Fox News