Pivot Joint

A pivot joint is a type of synovial joint that allows rotational movement around a single axis. It is formed between two bones, where one bone has a cylindrical projection that fits into a ring-like structure of the other bone. Examples of pivot joints in the body include the joint between the atlas and axis vertebrae in the neck.

Skull

The skull is the bony structure that encases and protects the brain. It also contains cavities for the eyes, ears, and nasal passages.

Cervical Vertebrae

The cervical vertebrae are the seven vertebrae in the neck region of the spine. The second cervical vertebra called the axis has a cylindrical projection that fits into a ring-like structure of the first cervical vertebra, called the atlas. This forms a pivot joint that allows for rotation of the head.