norepinephrine: Meaning and Definition of

nor•ep•i•neph•rine

Pronunciation: (nôr"ep-u-nef'rin, -rēn), [key]
— n.
  1. Also calleda neurotransmitter, released by adrenergic nerve terminals in the autonomic and possibly the central nervous system, that has such effects as constricting blood vessels, raising blood pressure, and dilating bronchi.
  2. a commercial form of this substance used for emergency treatment of lowered blood pressure.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
Noreen norethindrone
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