What is the definition or description of: systemic lupus erythematosus?

SLE: Lupus erythematosus is a name given to a collection of autoimmune diseases, in which the human immune system becomes hyperactive and attacks normal, healthy tissues.Symptoms of these diseases can affect many different body systems, including joints, skin, kidneys, blood cells, heart, and lungs.

Autoimmune disease: Lupus (full name: systemic lupus erythematosus, or sle) is an autoimmune disease that can affect almost any system of the body.Malar rash on face, skin sun sensitivity, blood clots, mood problems, discoid rash, fatigue, unexplained fevers, weight loss, blood in urine, chest pain, hair loss, shortness of breath, abdominal pain, hand/feet swelling, arthritis, vasculitic rash, nasal sores, mouth sores.