Cockayne's syndrome

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Cockayne's syndrome (kok-aynz) n. a hereditary disorder (inherited as an autosomal recessive condition) associated with trisomy of chromosome no. 20. Clinical features include epidermolysis bullosa, dwarfism, mental retardation, and pigmentary degeneration of the retina. [ E. A. Cockayne (1880–1956), British physician]