The vertebrae can be divided into regional groups, from superior to inferior:
There is a common structure to the upper, presacral vertebrae with slight regional variation. They are divided up by intervertebral joints containing the intervertebral discs and posterior zygapophysial joints.
Annotations allow you to add information to this page that would be handy to have on hand during a consultation. E.g. a website or number. This information will always show when you visit this page.