用sinoatrial node造句子，“sinoatrial node”造句

The sinoatrial node is located at the junction of the superior vena cava and the right atrium.

It is characterized by sinoatrial node dysfunction and often includes atrioventricular node disease and bundle branch block.

Activation of the heart normally begins in the sinoatrial node.

Objective To observe the morphological structures of sinoatrial node (SAN) in pig hearts.

Cardiomyocytes in the sinoatrial node This image shows a section of the sinoatrial node, a pacemaking area of the right atrium of the heart.

Quantitative study of synaptophysin in sinoatrial node in cases of sudden cardiac death;