unguiculus

例句：

1. 1.The animal was found with its appendix removed, indicating that it had been operated on for an unguiculus.
   这只动物被发现时其附件已被切除，表明它因盲肠手术而死亡。
2. 2.In some species of fish, the unguiculus is a vital organ for digestion.
   在鱼类的某些种类中，盲肠是消化的一个关键器官。
3. 3.The unguiculus can be a source of infection if not properly cleaned and maintained.
   如果盲肠没有得到适当的清洁和维护，它可能成为感染的来源。