noradrenaline

American  

[nawr-uh-dren-l-in, -een] / ˌnɔr əˈdrɛn l ɪn, -ˌin /

Also noradrenalin

noun

1. norepinephrine.

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noradrenaline British  

/ ˌnɔːrəˈdrɛnəlɪn, -ˌliːn, -lIn /

noun

1. US name: norepinephrine.  a hormone secreted by the adrenal medulla, increasing blood pressure and heart rate, and by the endings of sympathetic nerves, when it acts as a neurotransmitter both centrally and peripherally. Formula: C 8 H 11 NO 3

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noradrenaline Scientific  

/ nôr′ə-drĕn′ə-lĭn /

1. See norepinephrine

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Etymology

Origin of noradrenaline

First recorded in 1930–35; nor- + adrenaline

Compare meaning

How does noradrenaline compare to similar and commonly confused words? Explore the most common comparisons:

• noradrenaline vs. adrenaline

Example Sentences

Propranolol is a medication that blocks the adrenergic pathway -- a network of neural and hormonal signals that release neurotransmitters like adrenaline and noradrenaline -- and was used to study this pathway's role in NK cell activity.

From Science Daily

The neurochemicals involved in this process are different than those mediating habit formation and include a chemical messenger called noradrenaline and internally produced opioids such as endorphins.

From Salon

This dip in blood sugar sparks the release of adrenaline and its cousin noradrenaline.

From Salon

Additionally, quantitative protein analysis confirmed that the levels of inflammatory cytokines TNF-α and IL-6 were significantly decreased and the levels of neurotransmitters dopamine, noradrenaline, and serotonin were significantly increased in the hippocampus.

From Science Daily

Exhausted killer T cells expressed more ADRB1 receptors than their functional counterparts, allowing the T cells to "listen" to the noradrenaline released by the nerves.

From Science Daily