The lumbar spine represents the mid-lower segment of the vertebral column and is composed of five adjacent vertebrae. They are convex anteriorly to form a lumbar lordosis. The lumbar spine facet joints allows limited movements and rotation.
Each lumbar vertebra is formed of: A body which is kidney shaped and is convex anteriorly while flattened posteriorly, pedicles and lamina, transverse processes, articular processes and a spinous process.
This model shows the whole vertebral body with related articulations of the lower level vertebra and a fine piece of the upper level vertebra.
This 3D model was created from the file STS_036. The source CT scan used to create this model can be found here.