"Polyarticular" refers to a condition that affects multiple joints in the body. It is often used in the context of diseases such as rheumatoid arthritis or juvenile idiopathic arthritis, where inflammation occurs in several joints simultaneously. This can lead to pain, swelling, and reduced mobility in the affected areas. In contrast to "monoarticular," which affects only one joint, polyarticular conditions can involve various joints, including those in the hands, knees, and feet. Early diagnosis and treatment are essential to manage symptoms and prevent long-term joint damage in individuals with polyarticular disorders.