缺损的英文：
chipp
coloboma

At the caudal end of the sacrum the roof of the vertebral canal is commonly deficient
在骶管末端，椎管往往缺损。

Vein interfascicular transplantation was usad to treat peripheral nerve trunk defect.
采用静脉束间移植治疗周围神经干缺损。

Frameworks For Treatment Of Children With Autism
自闭症儿童的干预:基于执行功能缺损与心理理论的概念

These thumps are replaced by thrills when valvular insufficiencies or stenoses or congenital defects are present
这些撞击在瓣膜闭锁不全或狭窄，或者有先天性缺损时被震颤所代替。