A synchondrosis (or primary cartilaginous joint) is a type of cartilaginous joint where hyaline cartilage completely joins together two bones. ... Synchondroses are immovable joints and are thus referred to as synarthroses.

Which joint is a synchondrosis?

A synchondrosis joint is the first sternocostal joint (where the first rib meets the sternum). In this example, the rib articulates with the sternum via the costal cartilage.

Which classification of joints contains a joint capsule?

Synovial Joints

A synovial joint connects bones with a fibrous joint capsule that is continuous with the bones' periosteum. This joint capsule constitutes the outer boundary of a synovial cavity and surrounds the bones' articulating surfaces.