双语教学

Explain of Cardiovascular Pathology

97.Heart, atrial septal defect, gross

In the region of the foramen ovale on the interatrial septum is a small atrial septal defect, as seen in this heart opened on the right side. Here the defect is not closed by the septum secundum, so a shunt exists across from left to right.

（本图片资料来源自美国犹他大学）