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Medical Term:


Pronunciation: ver′tĕ-brah′tă

Definition: The vertebrates, a major division of the phylum Chordata, consisting of those animals with a dorsal hollow nerve cord enclosed in a cartilaginous or bony spinal column; includes several classes of fishes, and the amphibians, reptiles, birds, and mammals.

Synonym(s): Craniata

[L. vertebratus, jointed]