SA node
常見例句
- Activation of the heart normally begins in the sinoatrial node.
在正常情況下,心臟的活動始于竇房結。 - This process continues over and over as the atria refill with blood and other electrical signals come from the SA node.
隨著心房的再次充血和竇房結電信號的再次產生,這個過程會一直重復下去。 返回 SA node