The spine (aka backbone) is a linked column of bones running from ... There are 12 thoracic vertebrae in the thoracic region. There are 5 lumbar vertebrae in the lumbar region. There are 5 sacral ...

Facet joints are the connection between spinal bones (called vertebrae ... wing-shaped structure on the back of each vertebra ...

The appropriate level is first confirmed with an intra-operative lateral radiograph with a spinal needle placed near the tip of a spinous process. After infiltration of the skin and subcutaneous ...