First, several living species, including certain lemurs, several rodents and a type of flying squirrel, still have an appendix attached to a large cecum which is used in digestion.

• 首先，许多至今或者的物种如某些狐猴，一些啮齿类动物以及一种鼯鼠消化器官中仍存在附着于盲肠的阑尾。