Sinu-Atrial Nodes
《英文msh词典》Sinu-Atrial Nodes
[入口词] Sinu-Atrial Nodes
[主题词] Sinoatrial Node
[英文释义] The small mass of modified cardiac muscle fibers located at the junction of the superior vena cava (VENA CAVA,SUPERIOR) and right atrium. Contraction impulses probably start in this node,spread over the atrium (HEART ATRIUM) and are then transmitted by the atrioventricular bundle (BUNDLE OF HIS) to the ventricle (HEART VENTRICLE).
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考试词汇表
- draught sealing
- draught-chamber
- draughter gauge
- draughting desk
- draughting room
- draughtproofing
- draughtsmanship
- draughtspersons
- drava r. (drau)
- draw a long bow
- draw a parallel
- draw an analogy
- draw an invoice
- draw at a scale
- draw aveil over
- draw bar clevis
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- draw conclusion
