Congenital defect of the vertebral column in which one side of a vertebra fails to develop completely due to failure of the chondrification center to form on that side.
Note: The resulting wedge-shaped vertebra can cause an angle in the spine leading to kyphosis, scoliosis, or lordosis.
Source: PAC, 2016, 88, 713. (Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)) on page 763 [Terms] [Paper]