Outermost protective layer around the foetus
Amnion
Chorion
Cervix
Amniotic fluid
The amniotic fluid immediately surrounds the foetus. The amnion or amniotic sac is present outside. The chorion is present outside it.
Outermost protective layer of the eye.
Plasma membrane is the outermost protective layer in cells of all plants and animals.
The outermost protective covering of the brain is called as: