Definitions by kenny MD

joint 

Connection between two bones.

The bones slide away with cartilages on each other in the articular case. The synovial liquid insures the lubricity.
Articular bands fix the articular case.

See second picture

For example: ARTICULATIO GENUS (lat.) - Knee joint.

Between Tibia (shin bone) and Femur (femur).

joint by kenny MD November 1, 2007