Many countries issued such numbers for a singular purpose, but over time, they become a de facto national identification number. For example, the United States developed its Social Security number system as a means of organizing disbursing of Social Security benefits.
Freebase (0.00 / 0 votes) Rate this definition: Scleritis. Scleritis is a serious inflammatory disease that affects the white outer coating of the eye, known as the sclera.
Definition and etiology. Scleroderma, or systemic sclerosis (SSc), is a chronic multisystem autoimmune disease characterized by a vasculopathy, diffuse fibrosis of skin and various internal organs, and immune abnormalities.ystemic scleroderma always leads to some internal organ involvement. It is further divided into two subsets of disease, limited or diffuse (see Box 1). According to LeRoy and colleagues, limited or diffuse disease is based on the extent of skin tightening.