1. The proctodaeum is the terminal portion of the hindgut in insects and certain other arthropods.（在昆虫和其他某些节肢动物中，肛门前端是后肠的末端部分。）
2. The proctodaeum is responsible for the final stages of digestion and elimination in many organisms.（在许多生物中，肛门前端负责消化和排泄的最后阶段。）