The adult vertebral column consists of 24 vertebrae, plus the sacrum and coccyx. The vertebrae are divided into three regions: cervical C1–C7 vertebrae, thoracic T1–T12 vertebrae, and lumbar L1–L5 vertebrae. The vertebral column is curved, with two primary curvatures (thoracic and sacrococcygeal curves) and two secondary curvatures (cervical and lumbar curves).
Cut Rita Zahara
“Vertebral Column,” Open Educational Resource (OER) - UNM, accessed February 28, 2020, http://oer.unm.ac.id/items/show/1064.