It is used as a national identification number, tax payer number, social insurance number,driver's license number, for employment, etc. It is also commonly used as a customer number in banks, retailers, insurance companies, airlines, etc. Until the end of August 2013, the RUN was also used as the passport number.
The sclerenchyma cells are usually elongated, with tapering ends. Such cells are commonly described as sclerenchyma fibres. In some cases, the cells are shorter and irregular in shape. Such cells are commonly described as sclereids or stone cells.
Scleroderma facts. 1  Scleroderma is a disease of the connective tissue featuring skin thickening that can involve scarring, blood vessel problems, varying degrees of inflammation, and is associated with an overactive immune system. 2  CREST syndrome is a limited form of systemic sclerosis.cleroderma is an autoimmune disease of the connective tissue characterized by skin thickening, spontaneous scarring, blood vessel disease, and varying degrees of inflammation, associated with an overactive immune system.