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
muscular dystrophy: any of several hereditary diseases of the muscular system characterized by weakness and wasting of skeletal muscles
chemotaxis: movement by a cell or organism in reaction to a chemical stimulus