Science

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…

Chilblains Definition: Chilblains (CHILL-blayns) are small, itchy swellings on the skin that occur as a reaction to cold temperatures. It also is known as perniones…

About Hypothermia Definition: Hypothermia is a severe condition in which the body temperature drops to an abnormally low level. It occurs when the body is…

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…

Strontium Ranelate Introduction: Strontium ranelate, a strontium (II) salt of the ranelic acid, is a drug treatment for osteoporosis which reduces the risk of broken…

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).…