juvenile rheumatoid arthritis

arthritis /ar·thri·tis/ (ahr-thri´tis) pl. arthri´tides   inflammation of a joint.

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acute arthritis  arthritis marked by pain, heat, redness, and swelling.

chronic inflammatory arthritis  inflammation of joints in chronic disorders such as rheumatoid arthritis.

arthritis defor´mans  severe destruction of joints, seen in disorders such as rheumatoid arthritis.

degenerative arthritis  osteoarthritis.

enteropathic arthritis  arthritis associated with inflammatory bowel disease or following bacterial infection of the bowel.

hypertrophic arthritis  osteoarthritis.

infectious arthritis  arthritis caused by bacteria, rickettsiae, mycoplasmas, viruses, fungi, or parasites.

juvenile rheumatoid arthritis  rheumatoid arthritis in children, with swelling, tenderness, and pain involving one or more joints, sometimes leading to impaired growth and development, limitation of movement, and ankylosis and flexion contractures of the joints; often accompanied by systemic manifestations.

Lyme arthritis  see under disease.

menopausal arthritis  that seen in some menopausal women, due to ovarian hormonal deficiency, and marked by pain in the small joints, shoulders, elbows, or knees.

arthritis mu´tilans  severe deforming polyarthritis with gross bone and cartilage destruction, an atypical variant of rheumatoid arthritis.

rheumatoid arthritis  a chronic systemic disease primarily of the joints, usually polyarticular, marked by inflammatory changes in the synovial membranes and articular structures and by atrophy and rarefaction of the bones. In late stages, deformity and ankylosis develop.

septic arthritis , suppurative arthritis a form marked by purulent joint infiltration, chiefly due to bacterial infection but also seen in Reiter's disease.

tuberculous arthritis  that secondary to tuberculosis, usually affecting a single joint, marked by chronic inflammation with effusion and destruction of contiguous bone.

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juvenile rheumatoid arthritis

n. Abbr. JRA

Chronic inflammatory arthritis that begins in childhood, characterized by swelling, tenderness, and pain in one or more joints and by lymph node and splenic enlargement. Also called Still's disease.

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juvenile rheumatoid arthritis (JRA),

a form of rheumatoid arthritis, usually affecting the larger joints of children less than 16 years of age and often accompanied by systemic manifestations. As bone growth in children is dependent on the epiphyseal plates of the distal epiphyses, skeletal development may be impaired if these structures are damaged. Treatment is supportive and includes analgesia, antiinflammatory medication, and rest. Also called Still's disease.

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rheumatoid arthritis,

n a chronic, destructive, sometimes deforming collagen disease that has an autoimmune component. Rheumatoid arthritis usually first appears in early middle age, between 36 and 50 years of age, and most commonly in women.

rheumatoid arthritis, juvenile,

n a chronic disease affecting the immune system that occurs in children younger than age 16. Symptoms include joint inflammation in the spine, knees, and wrists and a limited ability to open the oral cavity.

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juvenile rheumatoid arthritis

Still's disease, systemic-onset juvenile chronic arthritis Rheumatology An early-onset arthropathy characterized by high intermittent fever, a salmon-colored skin rash, lymphadenopathy, hepatosplenomegaly, pleuritis, pericarditis. See Rheumatoid arthritis.