pupillary dilator muscle

• 瞳孔扩大肌

pupillary dilator muscle的用法和样例：

例句

1. The pupillary membrane was torn by the contraction of the pupillary extensor.The incision was enlarged until the pupillary membrane rolled in the anterior chamber.
   自上方瞳孔缘作切口，借瞳孔扩大肌收缩力撕破瞳孔膜，扩大切口至瞳孔膜卷缩于前房内。