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norepinephrine

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Definition: Play

noun. A hormone that is released by the adrenal medulla and by the sympathetic nerves and functions as a neurotransmitter. It is also used as a drug to raise blood pressure.

Sentence: Play Play

Norepinephrine plays a crucial role in the body's fight-or-flight response.

Synonyms: Play

noradrenaline; neurotransmitter; hormone

Antonyms: Play

acetylcholine; serotonin; dopamine

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