Nucleus pulposus is a remnant of
Inderbir Singh&;sHuman embryologyTenth edition Pg 60 As the embryo enlarges the notochord elongates considerably and lies in the midline in the position to be later occupied by veebral columnHowever, notochord does not give rise to veebral columnMost of it disappears but pas of it persist in the region of each interveebral disc as nucleus pulposus
Notochord
Interveebral disc
Spinal cord
Spinous process
General anatomy