Zona pellucida (ZP) plays a key role in the recognition, combination and penetration of sperms and oocytes, the prevention of multiple impregnation, the protection of embryos, and so on.

• 卵透明带(ZP)在精卵识别、结合、穿透以及阻止多精受精和保护着床前胚胎等方面起关键作用,与男性生育关系密切。