rare autosomal recessive disease characterized by the deposition of copper in the brain, liver, cornea and other organs; clinical features include liver cirrhosis, liver failure, splenomegaly, tremor, bradykinesia, dysarthria, chorea, muscle rigidity, Kayser-Fleischer rings (pigmented corneal lesions), ataxia and intellectual deterioration; hepatic dysfunction may precede neurologic dysfunction by several years.