from The Century Dictionary.

  • noun One of a pair of vertebral elements (arcualia) lying on the dorsal face of the notochord from which the spinous process and its adjoining processes are developed. The neurocentra of Osborn correspond with the basidorsalia of Gadow, and neural arches of others.


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  • "Palaeontology. Disused; rare. A segment of a vertebra bearing a vertebral (neural) arch. Also: the vertebral (neural) arch itself." (OED)

    September 8, 2008