sphincter pupillae muscle

例句：

1. 1.The doctor performed a surgery to repair the damaged sphincter pupillae muscle.
   医生进行了手术来修复受损的括约肌肌肉。
2. 2. The patient was diagnosed with a condition affecting the sphincter pupillae muscle.
   患者被诊断出患有影响括约肌肌肉的状况。
3. 3. The research focused on the role of the sphincter pupillae muscle in digestion.
   研究专注于括约肌肌肉在消化中的作用。