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 pyramidal tract morphology +
Abnormal spinal cord morphology +
Abnormal subarachnoid space morphology +
Abnormality of neuronal migration +
Alzheimer disease
Aplasia/Hypoplasia involving the central nervous system +
Atrophy/Degeneration affecting the central nervous system +