A significant variant in the ossification centers of the vertebral bodies.
D005333:Fetus; D007231:Infant, Newborn / Q000502:physiology; D009999:Ossification, Heterotopic; D010012:Osteogenesis; D013131:Spine / Q000033:anatomy & histology*
INFANT, NEWBORN/physiology; OSSIFICATION; SPINE/anatomy and histology