Medical

Measles (Causes, Symptom, and Complications) Definition: Measles (also called rubeola or morbilli) is a childhood infection caused by a virus. Once quite common, measles can…

Ischemia Definition: Ischemia (is-KE’me-ah) is a serious condition in which there are inadequate blood flow and oxygen to a specific part of the body. It…

About Typhus Definition: Typhus is a disease caused by infection with one or more rickettsial bacteria. It is also known as typhus fever. Common symptoms…

Purpura Definition: Purpura, also called blood spots or skin hemorrhages refers to purple-colored spots that are most recognizable on the skin. The spots may also…

Lupus Definition: Lupus is a chronic autoimmune disease in which the body’s immune system becomes hyperactive and attacks normal, healthy tissue. Lupus is systemic, meaning…

Blister Definition: A blister, which is also called a vesicle by medical professionals, is a raised portion of skin that is filled with fluid. It…

Frostbite Definition: Frostbite is an injury caused by freezing of the skin and underlying tissues. In extreme cases, muscle, nerves, and blood vessels may also…

Gangrene Definition: Gangrene is a condition that occurs when body tissue dies when a lack of blood supply in some part of the body, often…

Gas Gangrene Definition: Gas gangrene is the death of body tissue, which is also known as clostridial myonecrosis and myonecrosis. Clostridial myonecrosis, a type of…

Collagenase Definition: Collagenase is an enzyme that breaks down collagen in damaged tissues within the skin and helps the body generate new healthy tissue. It…

About Osteoarthritis Definition: Osteoarthritis (OA) is the most common type of arthritis and is seen especially among older people. It is also known as degenerative…

Psoriatic Arthritis Definition: Psoriatic arthritis (PsA) is a chronic autoimmune disease characterized by a form of inflammation of the skin (psoriasis) and joints (inflammatory arthritis).…