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单词 norepinephrine
释义

WordReference Random House Unabridged Dictionary of American English © 2024
nor•ep•i•neph•rine  (nôr′ep ə nefrin, -rēn),USA pronunciation n. 
  1. BiochemistryAlso called noradrenaline. [Physiol.]a 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. Biochemistry[Pharm.]a commercial form of this substance used for emergency treatment of lowered blood pressure.
  • nor- + epinephrine 1940–45

Collins Concise English Dictionary © HarperCollins Publishers::
norepinephrine /ˌnɔːrɛpɪˈnɛfrɪn -riːn/ n
  1. the US name for noradrenaline
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