Notochord forms which part in postnatal life -
Ans. is 'c' i.e., Nucleosus pulposus o After development of verteral bodies, the notochord degenerates and disappears but persists as the nucleus pulposus of intervertebral disc.
Nervous System
Smooth muscles
Anterior longitudinal ligament
Nucleosus pulposus
Eustachian tube
Nucleosus pulposus