受精过程The Process-Egg ()Capacitation(获能) The sperm ② The sper'g acrosomal Nucleus enzumes digest Neck (2)Hyperactivation（卵活化) the egg (3)zona binding(透明带结合) (4)acrosome reaction Ptoteibs on the cetm (顶体反应) head bind to receptors (5)zona penetration (穿过透明带) ④ (6)sperm-oocyte membrane fusion Vitelline layer Receptor protein molecule (精卵膜融合) Jelly coat the sperm and egg fuse (T)sperm engulfed(精子卷入) Egg Nucleus (8)decondensation of sperm nucleu EGG CELL (精子核松散) The nuclei of the sper and egg fuse⑦ (5)The per nucleus enters the (9)formation of male pronucleus egg cytoplacm (雄原核形成) gygote Nucleus 受精过程The Process - Egg (1) Capacitation(获能) (2) Hyperactivation（卵活化） (3) zona binding （透明带结合） (4) acrosome reaction （顶体反应） (5) zona penetration （穿过透明带） (6) sperm-oocyte membrane fusion （精卵膜融合） (7) sperm engulfed （精子卷入） (8) decondensation of sperm nucleu （精子核松散） (9) formation of male pronucleus （雄原核形成）