lumbar and thoracic vertebrae ( n x 1073 ) , from a prehistoric american indian population ( 15-55 yrs of age ) , were measured for anteroposterior ( ap ) and transverse ( tr ) vertebral canal sizes , nerve root tunnel ( intervertebral foramen ) widths ( nrt ) , vertebral heights ( vh ) , vertebral osteophytosis ( vo ) , and tibial lengths .
C0037922
vertebral canal
C0549207
vertebral