great russian: a member of the chief stock of Russian people living in European Russia; used to distinguish ethnic Russians from other peoples incorporated into Russia
russian: a native or inhabitant of Russia
oculopharyngeal muscular dystrophy: a form of muscular dystrophy that usually begins between early adulthood and middle age and first affects muscles of the eyelid and throat; progresses slowly with swallowing problems common as the disease progresses; inheritance is autosomal dominant