搜尋結果
sinoatrial node
- a small body of specialized muscle fibers, located in the right atrium of the heart, whose activity is responsible for initiating the heartbeat.
noun: sinoatrial node, plural noun: sinoatrial nodes
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- IPA[ˌsīnōˌātrēəl ˈnōd]
美式
- a small body of specialized muscle tissue in the wall of the right atrium of the heart that ...
Oxford American Dictionary
- a small body of specialized muscle fibres, located in the right atrium of the heart, whose ...
Oxford Dictionary