| adducted thumbs with mental reatardation | A syndrome with the following characteristic features: (1) neurologically:mental retardation and aphasia (lack of speech); (2) limbs: adducted (clasped) thumbs, absent extensor pollicis longus and/or brevis muscles to the thumb, shuffling gait, and leg spasticity; (3) growth: small body size; (4) skeleton: lumbar lordosis (sway back). The syndrome is inherited as an X-linked trait and so affects mainly boys. Alternative names include MASA syndrome ( MASA stands for mental retardation, aphasia, shuffling gait, and adducted thumbs), clasped thumb and mental retardation, congenital clasped thumb with mental retardation, and the Gareis-Mason syndrome. (12 Dec 1998) |
|---|---|
| mental | 1. <psychiatry> Pertaining to the mind, psychic. 2. <anatomy> Pertaining to the chin. Origin: L. Mens = mind, L. Mentum = chin (18 Nov 1997) |
| mental aberration | Disturbed thought or behaviour that connotes a psychological or psychiatric impairment. See: delusion. (05 Mar 2000) |
| mental agraphia | The inability to express ideas in writing. Synonym: mental agraphia. (05 Mar 2000) |
| mental apparatus | Mental structure consisting of thoughts, feelings, cognitions, and memories; in psychoanalysis, the topographic structure of the mind. (05 Mar 2000) |
| mental artery | <anatomy, artery> Distribution, chin; the terminal branch of the inferior alveolar; anastomoses, inferior labial artery. Synonym: arteria mentalis. (05 Mar 2000) |
| mental canal | The anterior opening of the mandibular canal on the body of the mandible lateral to and above the mental tubercle giving passage to the mental artery and nerve. Synonym: foramen mentale, mental canal. (05 Mar 2000) |
| mental competency | Ability to perform or accomplish an action or task that another person of similar background and training, or any human being, could reasonably be expected to perform. The term almost always refers to mental capacity. Incompetency refers to primarily defects in intellectual functioning such that comprehension of the nature of a transaction is interfered with or otherwise inadequate. It takes no note of temperament, emotions, or the like, even though these may interfere with a person's capacity to function. (12 Dec 1998) |
| mental deficiency | Subnormal intellectual functioning which originates during the developmental period and is associated with impairment of one or more of the following: (1) maturation, (2) learning, (3) social adjustment. (12 Dec 1998) |
| mental disorder | A psychological syndrome or behavioural pattern that is associated with either subjective distress or objective impairment. See: mental illness, behaviour disorder. (05 Mar 2000) |
| mental disorders | Psychiatric illness or diseases manifested by breakdowns in the adaptational process expressed primarily as abnormalities of thought, feeling, and behaviour producing either distress or impairment of function. (12 Dec 1998) |
| mental disorders diagnosed in childhood | Those psychiatric disorders usually first diagnosed in infancy, childhood, or adolescence. These disorders can also be first diagnosed during other life stages. (12 Dec 1998) |
| mental fatigue | Fatigue arising in consequence of mental effort. (12 Dec 1998) |
| mental foramen | The anterior opening of the mandibular canal on the body of the mandible lateral to and above the mental tubercle giving passage to the mental artery and nerve. Synonym: foramen mentale, mental canal. (05 Mar 2000) |
| mental healing | The use of suggestion or faith to cure disease, particularly physical illness. (12 Dec 1998) |