Notochord forms which part in postnatal life -: (A) Smooth muscles, (B) Anterior longitudinal ligament, (C) Nucleosus pulposus, (D) Eustachian tube
Answer is C. 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.