1. Amniotic membrane (AM) or Amnion is a thin membrane on the inner side of the fetal placenta; it completely surrounds the embryo and delimits the amniotic cavity, which is filled by amniotic liquid.

2. If needs to take off, uses the flinty carton to insert slowly first guarantees gobe's caking place, delimits the pine along the fours nearby, then the even effort then takes down.

3. Have to pusher water from bend an arm to arrive of make a long arm accelerate a process, the palm go up from introversion, from below up behavioral course delimits quickly to ham by.

4. Amniotic membrane (AM) or amnion is a thin membrane on the inner side of the fetal placenta; it completely surrounds the embryo and delimits the Amniotic cavity, which is filled by Amniotic liquid