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(nor-ep-i-neph-rine) 5 syllables

Definition

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.

Example Sentence

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

More Example Sentences

Doctors may administer norepinephrine to patients with low blood pressure.

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norepinephrine
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