| shared psychotic disorder | Identical or similar mental disorders, such as a paranoid fixation, usually affecting two members of the same family living together. Synonym: shared psychotic disorder. Origin: Fr. Two (05 Mar 2000) |
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| 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) |
| affective disorders, psychotic | Disorders in which the essential feature is a severe disturbance in mood (depression, anxiety, elation, and excitement) accompanied by psychotic symptoms such as delusions, hallucinations, gross impairment in reality testing, etc. (12 Dec 1998) |
| schizophrenia and disorders with psychotic features | Marked disorders of thought (delusions, hallucinations, or other thought disorder accompanied by disordered affect or behaviour), and deterioration from a previous level of functioning. (12 Dec 1998) |
| psychotic | Relating to or affected by psychosis. (05 Mar 2000) |
| psychotic disorders | Disorders in which there is gross impairment in reality testing. The individual incorrectly evaluates his or her perception and thoughts and makes incorrect inferences about reality even in the face of contrary evidence. Delusions or hallucinations are present. (12 Dec 1998) |
| psychotic manifestation | A manifestation characterised by thoughts, feelings, and behaviour evidencing a varying degree of personality disintegration and distortion or falsification of reality in various spheres; persons exhibiting such a manifestation fail in effective relationships to other people or to their work. (05 Mar 2000) |
| random amplification of polymorphic DNA | <molecular biology> A term originally invented by polymer chemists to describe a disordered tangle of a linear polymer chain with curved sections. In DNA parlance the random coil refers to the structure that results from melting or other forms of separation of the double helix, i.e. Helix coil transition. (18 Nov 1997) |
| random amplified polymorphic DNA technique | Technique that utilises low-stringency polymerase chain reaction (pcr) amplification with single primers of arbitrary sequence to generate strain-specific arrays of anonymous DNA fragments. Rapd technique may be used to determine taxonomic identity, assess kinship relationships, analyze mixed genome samples, and create specific probes. (12 Dec 1998) |
| polymorphic | <biology> Occurring in several or many forms, appearing in different forms at different stages of development. Origin: Gr. Morph = form (18 Nov 1997) |
| polymorphic epithelial mucin | <protein> See episialin. (18 Nov 1997) |
| polymorphic genetic markers | Inherited characteristics that occur within a given population as two or more traits. (05 Mar 2000) |
| polymorphic leaves | Two or more different types of leaves on plants, in wetland plants, polymorphic leaves may develop due to extended flooding. (09 Oct 1997) |
| polymorphic neuron | Occurring in many shapes. See: multipolar cell. (05 Mar 2000) |
| polymorphic reticulosis | A necrotizing lymphoproliferative lesion with a predilection for the upper respiratory tract. Previously called lethal midline granuloma or malignant midline reticulosis. Treatment is irradiation. (05 Mar 2000) |