Any structural anomaly of the hollow epithelial tube found on the dorsal side of the vertebrate embryo that develops into the central nervous system (i.e. brain and spinal cord).
Abnormal subarachnoid space morphology +
Abnormality of brain morphology +
Abnormality of neuronal migration +
Abnormality of the spinal cord +
Alzheimer disease
Aplasia/Hypoplasia involving the central nervous system +
Atrophy/Degeneration affecting the central nervous system +
Central nervous system axonal spheroid
Central nervous system cyst +
Morphological abnormality of the pyramidal tract +