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English definition of “tricuspid valve”

tricuspid valve

noun [C usually sing] uk   /traɪˈkʌs.pɪdˌvælv/ specialized us  
the valve (= structure that opens and closes) in the heart that stops blood from returning into the right atrium (= upper space) from the right ventricle (= lower space)
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The circulatory system and blood
(Definition of tricuspid valve from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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