<Tr> <Th> FMA </Th> <Td> 78497 </Td> </Tr> <Tr> <Td_colspan="2"> Anatomical terminology (edit on Wikidata) </Td> </Tr> <P> The central canal, also known as ependymal canal, is the cerebrospinal fluid - filled space that runs longitudinally through the length of the entire spinal cord . The central canal is continuous with the ventricular system of the brain . The fourth ventricle narrows at a region called the obex to become the central canal of the spinal cord . The central canal helps to transport nutrients to the spinal cord as well as protect it by cushioning the impact of a force when the spine is affected </P> <P> The central canal represents the adult remainder of the central cavity of the neural tube . It generally occludes (closes off) with age . </P>

Where is the central canal of the spinal cord located