Embryo at 20 to 24 Days
By embryonic day 21, the neural tube in the midsection of the embryo has closed; the neural folds fuse and the underlying neuroectoderm encloses a fluid-filled cavity that becomes the…
Defective Neural Tube Formation
An encephalocele is a protrusion of a portion of the brain or meninges through a skull defect. Although an encephalocele usually occurs in the occipital region in patients from Europe…
