Skeletal element that forms around the notochord and is part of the vertebral column. [ VSAO:0000184 https://github.com/obophenotype/uberon/issues/294 GO_REF:0000034 http://dx.plos.org/10.1371/journal.pone.0051070 ]
术语信息
- VSAO:0000184
- VHOG:0001143
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