Canaliculus mastoideus

例句：

1. 1. The doctor performeda surgery to remove the Canaliculus mastoideus.
   医生进行了手术，以移除颈动脉球。
2. 2. Thepatient's condition worsened after thesurgery, and he was transferred to theintensive care unit.
   手术后，患者的病情恶化，被转移到重症监护室。
3. 3.The operation was successful, but the patientstill had some discomfort afterward.
   手术很成功，但患者术后仍有一些不适。