Temporomandibular joint (TMJ)

Definition

The temporomandibular joint is a hinge and sliding joint that connects the lower jaw (mandible) to the temporal bone of the skull, located just in front of each ear. It allows for movements necessary for chewing, talking, and yawning.

Related terms

Synovial Joint: A type of joint that is surrounded by a fluid-filled capsule, allowing for smooth movement between bones.

Mandible:

The lower jawbone, which is the largest and strongest bone in the human face.

Articular Disc: A fibrocartilaginous structure positioned between two bones within a joint that helps absorb shock and allows for smooth movements