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Anatomy

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Embryology

Question
21 out of 50
 

All is true about notochord except (AIIMS Nov 2014)



A Derived from mesoderm between prochordal plate and primitive pit

B Causes induction of the overlying ectoderm to form nervous system

C Becomes annulus fibrosus of adult intervertebral disc

D Remnants may persist and give rise to a chordoma

Ans. C

Becomes annulus fibrosus of adult intervertebral disc

Postembryonic vestige of the notochord is found in the nucleus pulposus of the intervertebral disks, but not in the vertebral bodies, from which notochordal cells usually regress entirely. Remnants may persist and give rise to a chordoma

Embryology Flashcard List

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