Persistence of the notochordal canal in vertebrae.
D002574:Cervical Vertebrae / Q000254:growth & development; D002648:Child; D002675:Child, Preschool; D005333:Fetus; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007403:Intervertebral Disc / Q000254:growth & development; D008159:Lumbar Vertebrae / Q000254:growth & development; D010012:Osteogenesis; D013131:Spine / Q000002:abnormalities / Q000196:embryology* / Q000254:growth & development; D013904:Thoracic Vertebrae / Q000254:growth & development