Cartilaginous neural arches and spines, formed outside the notochordal sheath, enclose the spinal cord in an arcade.    From Wordnik.com.  [Text Book of Biology, Part 1: Vertebrata] Reference

The notochordal cell population is reported to disappear from the nucleus pulposus of bovine discs before birth and from human discs in childhood.    From Wordnik.com.  [BioMed Central - Latest articles] Reference

As notochordal cells produce factors that promote matrix production, the CK8 positive subpopulation could have important implications for activity and survival of the nucleus pulposus and should be considered in development of cell therapies for disc repair.    From Wordnik.com.  [BioMed Central - Latest articles] Reference

I. is the intestine, coe. the coelom, s.c. the spinal cord; n.c. the notochord, surrounded by n.s., the notochordal sheath, ao. is the dorsal aorta.    From Wordnik.com.  [Text Book of Biology, Part 1: Vertebrata] Reference