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norepinephrine

norepinephrine
noun Date: 1945 a monoamine C8H11NO3 that is a neurotransmitter in postganglionic neurons of the sympathetic nervous system and in some parts of the central nervous system, is a vasopressor hormone of the adrenal medulla, and is a precursor of epinephrine in its major biosynthetic pathway

New Collegiate Dictionary. 2001.

  
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