The vertebral column is the most important collection of bones to maintain stability of the skeletal structure and support of the entire body, especially when upright. It is made up of 33 bones, known as vertebra (plural ~ vertebrae), which may be fused at certain points, like in the lower parts of the spinal column. The spine is flexible because most of the vertebrae are separated from each other by an intervertebral disc, allowing articulation between the bones.


continue reading Parts of the Spine – Anatomy, Picture, Spinal Column, Backbone