Skeletal element that forms around the notochord and is part of the vertebral column. [ http://purl.obolibrary.org/obo/go/references/0000034 https://github.com/obophenotype/uberon/issues/294 http://dx.plos.org/10.1371/journal.pone.0051070 VSAO:0000184 ]
Synonyms: vertebra element