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| Ataxia: Failure of muscular coordination, irregularity of muscular action. Barbiturate: A widely used group of sedative drugs made from barbituric acid. Continual use may result in addiction. Examples include Phenobarbital, secobarbital, pentobarbital, butalbital and amobarbital. Contracture: A condition of fixed high resistance to passive stretch of a muscle, resulting from fibrosis of the tissues supporting the muscles or the joints or from disorders of the muscle fibers. Hydantion: A derivative of urea, C3H4N2O2, obtained from allantion, as a white, crystalline substance, with a sweetish taste. Synonym: glycolyl urea. Hydrocephalus: A condition marked by dilatation of the cerebral ventricles, most often occurring secondarily to obstruction of the cerebrospinal fluid pathways and accompanied by an accumulation of cerebrospinal fluid within the skull, the fluid is usually under increased pressure, but occasionally may be normal or nearly so. It is typically characterized by enlargement of the head, prominence of the forehead, brain atrophy, mental deterioration and convulsions, may be congenital or acquired and may be of sudden onset or be slowly progressive. Edema: The presence of abnormally large amounts of fluid in the intercellular tissue spaces of the body, usually applied to demonstrable accumulation of excessive fluid in the subcutaneous tissues. Oromotor: Refers to the neural pathways that control the speech muscles Parkinsonism: A group of neurological disorders characterized by hyperkinesias, tremor and muscular rigidity. Rhizotomy: Surgical interruption of a spinal or cranial nerve root. |
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