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noradrenaline
[ nawr-uh-dren-l-in, -een ]
noradrenaline
/ ˌnɔːrəˈdrɛnəlɪn; -ˌliːn; -lIn /
noun
- 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
noradrenaline
/ ô′ə-ĕ′ə-ĭ /
- See norepinephrine
51Թ History and Origins
Origin of noradrenaline1
Compare Meanings
How does noradrenaline compare to similar and commonly confused words? Explore the most common comparisons:
Example Sentences
This dip in blood sugar sparks the release of adrenaline and its cousin noradrenaline.
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.
They found that the sympathetic nerves were producing noradrenaline, which was binding to killer T cells using a receptor called ADRB1.
In a recent Nature study, researchers at the Massachusetts Institute of Technology found evidence that a hormone, noradrenaline, alters brain activity—and an animal’s subsequent behavior—in these startling moments.
Other research indicates that higher levels of noradrenaline could reduce inflammation.
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