7 The strobila of cestodes consists of a chain of segments (proglottids) budded off from the neck region. A gut is absent, and the reproductive system is repeated in each proglottid.

• 绦虫的节裂区由从颈部出芽生殖的体节链（节片）组成。肠道缺乏，生殖系统在每个节片内重复。