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, or systemic sclerosis, is a chronic connective tissue disease generally classified as one of the autoimmune rheumatic diseases. The word âsclerodermaâ comes from two Greek words: âscleroâ meaning hard, and âdermaâ meaning skin.ardening of the skin is one of the most visible manifestations of the disease. The disease has been called âprogressive systemic sclerosis,â but the use of that term has been discouraged since it has been found that scleroderma is not necessarily progressive. The disease varies from patient-to-patient.