Inferior articular process

Definition

The inferior articular process is a protrusion on the lower end of a vertebra that connects with an articulation (joint) surface of the adjacent lower vertebra. It plays a critical role in the flexibility and movement of the vertebral column.

Related terms

Superior Articular Process: A projection on the upper end of a vertebra that connects with an articulation surface of the adjacent upper vertebra.

Intervertebral Discs:

Fibrocartilaginous cushions between the vertebrae that act as shock absorbers and allow slight movements of the vertebral column.

Facet Joint: A synovial joint between the superior and inferior articular processes of adjacent vertebrae, allowing for back mobility