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noradrenaline

[ nawr-uh-dren-l-in, -een ]

noradrenaline

/ ˌnɔːrəˈdrɛnəlɪn; -ˌliːn; -lIn /

noun

  1. 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 US namenorepinephrine
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


noradrenaline

/ nôr′ə-drĕnə-lĭn /

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Word History and Origins

Origin of noradrenaline1

First recorded in 1930–35; nor- + adrenaline
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Compare Meanings

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

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Example Sentences

This effect is probably due to a second neuromodulator, noradrenaline, that’s also being shut off during REM.

The disappearance of noradrenaline from the brain during REM sleep makes it easy for your brain to wander among its weak associations.

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NORADNoraid