Examlex
Probabilities near a value of __________ represent maximum uncertainty.
Amnion
A thin, protective membrane that surrounds the embryo or fetus in the amniotic sac, containing the amniotic fluid.
Embryonic Membrane
Membranes such as the amnion and chorion that develop during embryogenesis to protect and nourish the embryo.
Watery Sac
A fluid-filled bladder or cyst that can form in various parts of the body, often benign.
Primitive Streak
Ectodermal ridge in the midline of the embryonic disk, from which arises the mesoderm by the inward and then lateral migration of cells.