| psychogenic | <psychology> Produced or caused by psychic or mental factors rather than organic factors. Origin: Gr. Gennan = to produce (18 Nov 1997) |
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| psychogenic deafness | Hearing loss without evidence of organic cause or malingering; often follows severe psychic shock. Synonym: functional deafness, hysterical deafness. (05 Mar 2000) |
| psychogenic nocturnal polydipsia | See: psychogenic nocturnal polydipsia syndrome. (05 Mar 2000) |
| psychogenic nocturnal polydipsia syndrome | <syndrome> Emotionally induced excessive water drinking at night. (05 Mar 2000) |
| psychogenic pain | Somatoform pain; pain which is associated or correlated with a psychological, emotional, or behavioural stimulus. Synonym: psychalgia, somatoform pain. (05 Mar 2000) |
| psychogenic pain disorder | A disorder in which the principal complaint is pain that is out of proportion to objective findings and that is related to psychological factors. (05 Mar 2000) |
| psychogenic polydipsia | Excessive fluid consumption resulting from a disorder of the personality, without demonstrable organic lesion. Synonym: hysterical polydipsia. (05 Mar 2000) |
| psychogenic purpura | <syndrome> A condition, usually occurring in women, in which the individual bruises easily (purpura simplex) and the ecchymoses tend to enlarge and involve adjacent tissues, resulting in pain in the affected parts; so-called because similar lesions are produced by inoculation of the individual's blood or various components of red blood cells and it is thought to be a form of localised autosensitization, although no specific antibodies have been demonstrable; in some individuals, there seems to be a psychogenic mechanism. Synonym: Gardner-Diamond syndrome, psychogenic purpura. (05 Mar 2000) |
| psychogenic seizure | A clinical spell that resembles an epileptic seizure, but is not due to epilepsy. The EEG is normal during an attack, and the behaviour is often related to psychiatric disturbance, such as a conversion disorder. (05 Mar 2000) |
| psychogenic torticollis | Spasmodic contractions of the neck muscles, of psychosomatic origin. See: spasmodic torticollis. (05 Mar 2000) |
| psychogenic tremor | Usually a coarse, irregular tremor, limited to one limb. Synonym: psychogenic tremor. (05 Mar 2000) |
| psychogenic vomiting | Vomiting associated with emotional distress and anxiety. (05 Mar 2000) |
| accelerator factor | <chemical> Heat- and storage-labile plasma glycoprotein which accelerates the conversion of prothrombin to thrombin in blood coagulation. Factor v accomplishes this by forming a complex with factor xa, phospholipid, and calcium (prothrombinase complex). Deficiency of factor v leads to owren's disease. Chemical name: Blood-coagulation factor V (12 Dec 1998) |
| acetate replacement factor | <biochemistry> 1,2 dithiolane 3 valeric acid. Regarded as a coenzyme in the oxoglutarate dehydrogenase complex of the citric acid cycle. Involved generally in oxidative decarboxylations of _ keto acids. A growth factor for some organisms. (18 Nov 1997) |
| adrenal weight factor | A postulated substance of adenohypophysial origin responsible for maintenance of the weight of the adrenal cortex. (05 Mar 2000) |