Atrial septal的用法和样例：
例句
- In cardiac operation,it is used for attracting the blood in left atrium through atrial septal or upper lung vein,inserting in left atrium.
在心脏直视手术中，经房间隔或左上肺静脉，插入左房，吸引左房内的血液。 - Atrial septal defects occur when the partitioning process does not occur completely, leaving an opening in the atrial septum.
如果在间隔形成的过程中发育不全，即可在房间隔上留下一个洞。
