Igneous rocks are formed from the solidification of molten rock material. There are two basic types. Intrusive igneous rocks crystallize below Earth's surface, and the slow cooling that occurs there allows large crystals to form. Examples of intrusive igneous rocks are diorite, gabbro, granite, pegmatite, and peridotite.
Systemic sclerosis or systemic scleroderma is an autoimmune or connective tissue disease. It is characterized by thickening of the skin caused by accumulation of collagen, and by injuries to the smallest arteries.ystemic sclerosis or systemic scleroderma is an autoimmune or connective tissue disease. It is characterized by thickening of the skin caused by accumulation of collagen, and by injuries to the smallest arteries.
Two Main Types. There are two main types of scleroderma: Localized and Systemic. The systemic forms can affect any part of the body (skin, blood vessels, and internal organs.) The systemic forms are also referred to as systemic sclerosis plus other terms such as diffuse, limited, CREST, and overlap.ystemic Sclerosis (Scleroderma): Prognosis and Mortality. Now that the full range of types and severity of scleroderma are being recognized and diagnosed, there is increasing awareness that many people have a milder type of illness with a much rosier longterm prognosis. ISN.