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lateral ventricle

third ventricle

fourth ventricle

dura mater


Pituitary gland

Medulla Oblongata


Arbor vitae


cervical enlargement


lumbosacral enlargement


conus medullaris

cauda equina

second one

central canal

Cerebral cortex

the layer of unmyelinated neurons (the gray matter) forming the cortex of the cerebrum

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