* When the Spermatozoan completely penetrates the Zona Pellucida and reaches the Perivitelline Space, it settles into a bed of '''microvilli''' formed by the Oocyte plasma membrane. | * When the Spermatozoan completely penetrates the Zona Pellucida and reaches the Perivitelline Space, it settles into a bed of '''microvilli''' formed by the Oocyte plasma membrane. |