| MECG | mixed essential cryoglobulinemia |
|---|---|
| MFO | medium frequency oscillator; mixed function oxidase |
| MGD | maximal glucose disposal; mixed gonadal dysgenesis |
| MHA | major histocompatibility antigen; May-Hegglin anomaly; Mental Health Association; methemalbumin; mic... |
| MHT | mixed hemagglutination test |
| dysthymic disorder | Chronically depressed mood that occurs for most of the day more days than not for at least 2 years. The required minimum duration in children to make this diagnosis is 1 year. During periods of depressed mood, at least 2 of the following additional symptoms are present: poor appetite or overeating, insomnia or hypersomnia, low energy or fatigue, low self esteem, poor concentration or difficulty making decisions, and feelings of hopelessness. (dsm-IV) (12 Dec 1998) |
|---|---|
| immune complex disorder | An immunologic category of diseases evoked by the deposition of antigen-antibody or antigen-antibody-complement complexes on cell surfaces, with subsequent involvement of breakdown products of complement, platelets, and polymorphonuclear leukocytes, and development of vasculitis; nephritis is common. Arthus phenomenon and serum sickness are classic examples, but many other disorders, including most of the connective tissue disease's, may belong in this immunologic category; immune complex disease's can also occur during a variety of disease's of known aetiology, such as subacute bacterial endocarditis. See: autoimmune disease. Synonym: immune complex disorder, type III hypersensitivity reaction. (05 Mar 2000) |
| impulse control disorder | A class of mental disorder's characterised by an individual's failure to resist an impulse to perform some act harmful to himself or to others; includes pathological gambling, pedophilia, kleptomania, pyromania, trichotillomania, intermittent and isolated explosive disorder's. (05 Mar 2000) |
| induced psychotic disorder | <psychiatry> A severe mental disorder brought about by a toxic agent such as a drug or hallucinogen. See: psychosis. (05 Mar 2000) |
| intermittent explosive disorder | <psychology> An uncommon disorder that begins in early childhood, characterised by repeated acts of violent, aggressive behaviour in otherwise normal persons that is markedly out of proportion to the event that provokes it. Synonym: dyscontrol, episodic dyscontrol syndrome. (05 Mar 2000) |
| isolated explosive disorder | A disorder of impulse control characterised by a single episode of failure to resist a violent, externally directed act which had serious impact on others. (05 Mar 2000) |
| obsessive-compulsive disorder | An anxiety disorder characterised by recurrent, persistent obsessions or compulsions. Obsessions are the intrusive ideas, thoughts, or images that are experienced as senseless or repugnant. Compulsions are repetitive and seemingly purposeful behaviour which the individual generally recognises as senseless and from which the individual does not derive pleasure although it may provide a release from tension. (12 Dec 1998) |
| obsessive-compulsive personality disorder | A psychological disorder with a pervasive pattern of inflexible perfectionism which begins by early adulthood as indicated by many of the following symptoms: an unattainable perfectionism with overly strict standards which often make it impossible to complete a task; preoccupation with details, rules, lists, order, organization, or scheduling to the extent that the major point of the activity is lost; unreasonable insistence that others submit to exactly his or her way of doing things; an unnecessary, excessive devotion to work and productivity to the exclusion of leisure activities and friendships; rumination to the point of indecisiveness; (6) overconscientiousness about matters of morality, ethics, or values; (7) restricted expression of affection; (8) lack of generosity in giving time, money, or gifts when no personal gain is likely to result; and (9) an inability to discard worn-out or worthless objects even when they have no sentimental value. Synonym: obsessional neurosis. (05 Mar 2000) |
| oppositional disorder | A mental disorder of childhood or adolescence marked by a pattern of disobedient, negativistic, and provocative opposition to authority figures. (05 Mar 2000) |
| organic mental disorder | A psychological, cognitive, or behavioural abnormality associated with transient or permanent dysfunction of the brain, usually characterised by the presence of an organic mental syndrome. (05 Mar 2000) |
| overanxious disorder | A mental disorder of childhood or adolescence marked by excessive worrying and fearful behaviour not related specifically to separation or due to recent stress. (05 Mar 2000) |
| thought process disorder | An intellectual function symptom of schizophrenia, manifested by irrelevance and incoherence of verbal productions ranging from simple blocking and mild circumstantiality to total loosening of associations. (05 Mar 2000) |
| tobacco use disorder | Tobacco used to the detriment of a person's health or social functioning. Tobacco dependence is included. (12 Dec 1998) |
| emotional disorder | See: mental illness, behaviour disorder. (05 Mar 2000) |
| erotomanic type of paranoid disorder | The false belief that one is loved by another such as a movie star or a casual acquaintance. (05 Mar 2000) |