Skeletal element that forms around the notochord and is part of the vertebral column. [ https://github.com/obophenotype/uberon/issues/294 VSAO:0000184 http://dx.plos.org/10.1371/journal.pone.0051070 http://purl.obolibrary.org/obo/go/references/0000034 ]
Synonyms: vertebra element
Term information
- VHOG:0001143
- VSAO:0000184
In contrast to lampreys and jawed vertebrates, hagfishes were thought to lack vertebrae. Now, long overlooked vertebral rudiments have been analysed in hagfish, suggesting that vertebrae existed in the last common ancestor of all vertebrates.[well established][VHOG]
Typically an endochondral element, in salamanders there is an argument that vertebral development is perichondral and not preformed in cartilage