Fertilisation - implantation

• what happens in fertilisation after the cortical reaction takes place

  implantation
• what happens to the zygote in the implantation stage of fertilisation

  the zygote will undergo mitotic divisions to form a ball of cells
• what is the ball of cells called that is produced from the implantation stage of fertilisation

  cleavage
• what happens to the cleavage after it is formed in impalntation


  it will continue to grow
• what will the cleavage grow into

  a blastocyst
• what is a blastocyst

  hollow ball of cells
• How is a blastocyst formed?

  the growth of cleavage
• how long does it take for a cleavage to become a blastocyst

  7 days
• what happens to the blastocyst when it is intially formed

  it is moved into the uterus
• what happens to the blastocyst when it is in the uterus

  it will attach and embed in the endometrium of the uterus