central canal of spinal cord(redirected from canalis centralis medullae spinalis)
cen·tral ca·nal of spi·nal cord[TA]
the ependyma-lined lumen (cavity) of the neural tube, the cerebral part of which remains patent to form the ventricles of the brain, whereas the spinal part in the adult often is reduced to a solid strand of modified ependyma.
central canal of spinal cord
The remnant of the lumen of the neural tube. Largely obliterated in the adult spinal cord.
See also: canal