Neural tube refers to the embryonic tube that develops into the central nervous system, specifically the brain and spinal cord. The neural tube develops during the third week of gesta
tion. Abnormalities in neural tube development can lead to congenital developmental disorders.
Likewise, it the tube formed during the early embryonic period that later develops into the brain, spinal cord, nerves, and ganglia; the primitive spinal cord that develops from the ectoderm and becomes the central nervous system.