您要查找的是不是：
- Metastrongylus pudendotectus 复阴后圆线虫
- Copulatory bursa and spicule of Metastrongylus elongatus 长后圆线虫交合伞和交合刺
- Metastrongylus apri 猪圆线虫
- Metastrongylus [医] 后圆线虫属
- Metastrongylus brevivaginatus 短阴后圆线虫
- Metastrongylus elongatus [医] 长后圆线虫
- Metastrongylus madagascariensis 节尾孤猴后圆线虫
- Metastrongylus pudendectus 短阴后圆线虫, 短阴猪肺线虫
- Metastrongylus salmi 萨姆(氏)后圆线虫
