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English definition of “norepinephrine”

norepinephrine

noun [U]     /ˌnɔː.rep.iˈnef.rɪn/ US  /ˌnɔr.ep.ɪˈnef.rɪn/ specialized
a hormone that helps keep blood pressure at a constant level , especially if it falls too low Substances and structures in the body
(Definition of norepinephrine noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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