adj. within a joint. The term is commonly used to specify a fracture pattern, the location of a soft-tissue injury, or the route of injection of a drug. See also extra-articular; periarticular.
adj. not involving a joint. The term is commonly used to specify a fracture pattern or the position of a bone tumour. It is also used to describe nonarticular or systemic manifestations of severe rheumatoid arthritis; for example, inflammation of the eyes, lungs, and heart, skin nodules and vasculitis, and nerve damage (neuropathy). See also intra-articular; periarticular.... extra-articular