What is arthritis?

Arthritis is inflammation of the joint.
degenerative a. See osteoarthritis.
gonococcal a. A from associated with gonorrhea, involving one or several joints, especially ot the knees, ankles, and wrists; Neisseria gonorrhoeae can be isolated from the joint fluid.
juvenile a., juvenile rheumatoid a. An uncommon, crippling disease of children involving the large joints and cervical spine with enlargement of lymph nodes, liver, and spleen.
Lyme a. Arthritis associated with Lyme disease; affects large joints, especially the knee, causing swelling and pain in the joint. The condition may become chronic. See also Lyme disease.
reactive a. Arthritis occurring as a reaction to an infectious microorganism.
rheumatoid a. Chronic disease of unknown cause involving most connective tissues of the body with predilection for small joints, especially those of the fingers; marked by proliferative inflammation of the synovial membranes leading to deformity, ankylosis, and invalidism.
suppurative a. Purulent infection involving as a rule a single large joint; caused by any of several micro-organisms, especially Streptococcus hemolyticus, Staphylococcus aureus, pneumococcus, and meningococcus; it usually follows injury to the affected joint.
syphilitic a. A mild chronic effusion into the knee joints occurring during puberty in congenital syphilis. Condition occurring with secondary syphilis marked by painful, stiff joints with transient swelling; inflammation of adjacent periosteum usually occurs.
tuberculous a. Arthritis caused by the tubercle bacillus; usually monoarticular, involving any joint in the body, especially the knee, hip, and spine, with destruction of contiguous bone.

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