Fill in the Blanks Fertilisation and ImplantationOnline version Process of fertilisation and implantation by Kasthuri Subramaniam 1 tube zygote foetus ovum morula embryo lining endometrium dividing blastocyst pregnant fertilised nucleus implants Fertilisation Fallopian is when the cell nucleus and the sperm cell combine , this happens inside the woman ? s . The egg cell into the woman ? s and the cell begins . The tiny ball of dividing cells is called a , then a , followed by and lastly before forming a . After the implantation of an embryo the woman is said to be .