Coal forms from the accumulation of plant debris, usually in a swamp environment. When plant debris dies and falls into the swamp the standing water of the swamp protects it from decay. Swamp waters are usually deficient in oxygen, which would react with the plant debris and cause it to decay.
Porokeratosis is generally considered to be a benign condition though malignant transformation has been seen in all but the punctate variety, necessitating regular followup of patients with porokeratosis (Maubec et al., 2005; Sasson & Krain, 1996).
Microscopic polyangiitis âAn autoimmune disease that affects cells in blood vessels in organs throughout the body. It is a rare condition. Polymyositis/dermatomyositis âA disease characterized by inflammation and degeneration of the muscles. When the condition also affects the skin, it is called dermatomyositis.ystemic lupus erythematosus lupus (SLE) âA disease that can cause inflammation of the connective tissue in every organ of the body, from the brain, skin, blood, to the lungs. It is nine times more common in women than men.