Nucleus pulposus of inten vertebral disc is a derivative of which of the following germ layers?
Answer- A. A
- Nucleus pulposus of intervertebral disc is a derivative of notochord depicted by A. Nucleus pulposus is central gelatinous
- portion of an intervertebral disc derived from proliferation of notochord cells.
- The image shown is the description of the
- embryo during Gastrulation (Week 2-3).
- A Notochord which forms the nucleus pulposus (remnant) in adults.
- B Endoderm
- c Mesoderm
- D Ectoderm
- “Vertebral centra are derived from caudal and cranial sclerotomal halves, An intervertebral disc is formed from the free somitocele cells within the epithelial somite which migrate with the caudal sclerotomal cells, The sclerotomal mesenchyme which forms the centra of the vertebrae replaces the notochordal tissue which it surrounds.