articular disc, (fibroplate, interarticular fibrocartilage)

Introduction

Formation of fibrocartilagenous disc, when the articulating surfaces of the bones are incongruous. Articular discs divide the synovial cavity in two; e.g., knee, sternoclavicular, and the distal radioulnar & temporomandibular joints.

More general terms

• cartilage

More specific terms

• articular disc of acromioclavicular joint (acromioclavicular disc, Weitbrecht cartilage)
• articular disc of distal radioulnar joint (radioulnar articular disc, triangular disc of wrist, triquetrous cartilage)
• articular disc of sternoclavicular joint (sternoclavicular disc)
• articular disc of temporomandibular joint, (mandibular/temporomandibular articular disc)