窦房结动脉大多位于结的边缘，结内胶原纤维丰富。
窦房结中心区的细胞集落，全都存在于窦房结动脉周围。
These cell clusters in the central part of the sinus node are all around the sinus node artery.
结论：豚鼠窦房结动脉多数位于其边缘并受丰富的NOS和NPY能神经支配，对调节窦房结血液供应可能有重要作用。
Conclusions: the nodal artery is dominated by plentiful NOS - and NPY-containing nerve fibers. It may play a role for regulating the blood flow of sino-atrial node in guinea-pig.
目的：观察人窦房结胶原纤维网架的构筑及其与窦房结中央动脉的关系。
Objective:To investigate the architecture of collagen fibers of human sinoatrial node and its relationship to the central artery penetrated to the node.
目的：观察人窦房结胶原纤维网架的构筑及其与窦房结中央动脉的关系。
Objective:To investigate the architecture of collagen fibers of human sinoatrial node and its relationship to the central artery penetrated to the node.
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