| mental region | The region of the chin. Synonym: regio mentalis. (05 Mar 2000) |
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| mental retardation | 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 scotoma | Absence of insight into, or inability to comprehend, items relative to a subject whose content is highly emotional to the individual. Synonym: blind spot. (05 Mar 2000) |
| mental spine | A slight projection, sometimes two, in the middle line of the posterior surface of the body of the mandible, giving attachment to the geniohyoid muscle (below) and the genioglossus (above). Synonym: spina mentalis, genial tubercle. (05 Mar 2000) |
| mental state | <clinical sign, psychiatry> A finding on physical examination that may refer to any number of abnormal changes in baseline mental functioning. Milder examples include mood changes, irritability, personality changes, depression or blunted affect. Advanced changes include confusion, lethargy, sleepiness, hallucinations, unresponsiveness and coma. (27 Sep 1997) |
| mental status schedule | Standardised clinical interview used to assess current psychopathology by scaling patient responses to the questions. (12 Dec 1998) |
| mental symphysis | The fibrocartilaginous union of the two halves of the mandible in the foetus; it becomes an osseous union during the first year. Synonym: symphysis mandibulae, symphysis mentalis, symphysis menti. (05 Mar 2000) |
| mental tubercle | A paired eminence on the mental protuberance of the mandible. Synonym: tuberculum mentale, eminentia symphysis. (05 Mar 2000) |
| mentalis | <anatomy, muscle> Origin, incisor fossa of mandible; insertion, skin of chin; action, raises and wrinkles skin of chin, thus elevating the lower lip; nerve supply, facial. Synonym: musculus mentalis, chin muscle, musculus levator labii inferioris. (05 Mar 2000) |
| mentality | The functional attributes of the mind; mental activity. (05 Mar 2000) |
| mentally disabled persons | Persons diagnosed as having significantly lower than average intelligence and considerable problems in adapting to everyday life or lacking independence in regard to activities of daily living. (12 Dec 1998) |