窦房结

This is why the SA node is sometimes called heart´s natural pacemaker.

这就是为什么窦房结又称为心脏 “ 天然起搏器”的原因。

Results: The SAN and AVN chiefly consisted of P cells and T cells.

结果： 窦房结和房室结内的细胞主要为P细胞和T细胞。

Objective: To study age - related variation of ratio and type of collagen fibers in human sinoatrial node.

目的了解窦房结的胶原纤维年龄变化及分型。

Sick sinus syndrome ( SSS ) is a common clinical problem, of which the pathogenesis is not very clear.

病态窦房结 综合征 是临床常见病， 其发病机制目前尚不完全清楚。

Conclusion Shenxian shengmai oral liquid is the better medicine for sick sinus syndrome.

结论参仙升脉口服液是较好的治疗病态窦房结综合征的药物。