文件脊柱四川人体解剖学教研室邦第.pdf

Vertebral column Department of the human anatomy attached to the Sichuan University Chen daobang Vertebral Column (p.190) 1.Vertebrae 椎骨 1) The number of vertebrae 7 cervical vertebrae 24 vertebrae 12 thoracic vertebrae 5 lumbar vertebrae In the adult 1 sacrum—it is formed by the 5 sacral vertebrae fused with each other. 1 coccyx—it is formed and fused by the 4 coccygeal vertebrae. In a child the normal number of the vertebrae is 33. 2). General features of the vertebrae (typical vertebrae) vertebrae body: to occupy the anterior part of vertebrae Superior articular process Inferior articular process Transverse process vertebrae arch Spinous process Vertebral pedicle (root) Sup.vertebral notch Vertebral board Inf. vertebral notch Vertebral foramen: it is surrounded by the body and arch. Vertebral c : the all of vertebral foramens form the c . Intervertebral foramen: it is formed by the Sup.and Inf.vertebral notches of the two vertebrae. 3). Introduce the vertebrae in each region (1) Cervical vertebrae have transverse foramen. atlas axis prominnens (2). Thoracic vertebrae have the costal facet. (3).Lumbar vertebrae have no transverse foramen and costal facet. •C1, atlas is a ringlike & has no body & spinous process. It consists of 2 la l masses connected by anterior & posterior arche