Dysraphism of the Entire Neural Tube
Craniorachischisis Totalis
- Most severe form of neural tube defect.
- Results from complete failure of neurulation.
- Entire neural plate remains uncovered by mesoderm and ectoderm (skin).
- Lesions are incompatible with life.
- Typically leads to spontaneous abortion early in gestation.
Dysraphism of the Anterior Neural Tube
Anencephaly
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