Peri-articular refers to the area around the joint. Articular would be referring to the actual joint.
Articular means pertaining to a joint.
knee joint
the shape of the articular surface
Situated beneath an articulation or joint
ankylosis of a joint means fusion of the articular surfaces renderring the joint immobile
A synovial joint contains a fluid-filled joint cavity enclosed by an articular capsule. Some of them are enforced by ligaments. Synovial joints are freely movable and examples include the elbow joint and wrist joint.
The Articular Capsule is a tought, flexible and fibrous capsule that covers the joint cavity. It is there to support and protect the joint.
Articular cartilage.
articular
rhumetiod arthritis
Ligaments are used to bind the articular ends of bones together reinforcing the joint capsule. These can be thickenings in the fibrous layer of the joint capsule or accessory structures that are located outside of the joint capsule.