10-21-2008, 06:35 PM
opening of the neural groove is towards the
1) amniotic fluid
2) extraembryonic sac
3) intraembryonic sac
4) yolk sac
5) pharynx
1) amniotic fluid
2) extraembryonic sac
3) intraembryonic sac
4) yolk sac
5) pharynx