| PIE | postinfectious encephalomyelitis preimplantation embryo; prosthetic infectious endocarditis; pulmona... |
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| RRE | radiation-related eosinophilia |
| TUGSE | traumatic ulcerative granuloma with stromal eosinophilia |
| CREG | Cross REactive Group (of HLA Antigens) |
| CRP | C-Reactive Protein; - 0.06 mg/dL |
| reactive inhibition | Tendency toward a lessened strength of response due to practice or activity. It is independent of the effect of reward and is a direct function of time interval since the last response and the number of preceding responses. (12 Dec 1998) |
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| reactive oxygen species | Reactive intermediate oxygen species including both radicals and non-radicals. These substances are constantly formed in the human body and have been shown to kill bacteria and inactivate proteins, and have been implicated in a number of diseases. Scientific data exist that link the reactive oxygen species produced by inflammatory phagocytes to cancer development. (12 Dec 1998) |
| reactive perforating collagenosis | A rare skin disorder characterised by extrusion of collagen fibres through the epidermis; usually begins in infancy or childhood and appears clinically as recurrent umbilicated papules that resolve spontaneously. The condition may be inherited or acquired, the latter differing from Kyrle's disease because follicular involvement is absent. (05 Mar 2000) |
| reactive schizophrenia | Those forms of severe schizophrenic disorders which are distinguished from process schizophrenia by their more acute onset, greater relation to environmental stress, and better prognosis. (05 Mar 2000) |
| child reactive disorders | Reactions to an event or set of events which are considered to be of pathological degree, that have not developed into a neurosis, psychosis, or personality disorder with fixed patterns. (12 Dec 1998) |
| cold-reactive antibody | See: cold agglutinin. (05 Mar 2000) |
| C-reactive protein | <protein> This blood test is used as an indicator of acute inflammation. C-reactive protein is a protein of the pentraxin family, produced by the liver during periods of inflammation and detectable in serum in various disease conditions particularly during the acute phase of immune response. Normally C-reactive protein should be negative in the bloodstream. C-reactive protein is synthesised by hepatocytes and its production may be triggered by prostaglandin E1 or parogen. It consists of five polypeptide sub units forming a molecule of total molecular weight 105 kD. It binds to polysaccharides present in a wide range of bacterial, fungal and other cell walls or cell surfaces and to lecithin and to phosphoryl or choline containing molecules. It is related in structure to Serum Amyloid. And C polysaccharide. Conditions which can cause a positive C-reactive protein include: rheumatoid arthritis, lupus, pneumococcal pneumonia, rheumatic fever, cancer, tuberculosis and myocardial infarction. A positive C-reactive protein may also be seen in the later half of pregnancy and in some who are taking birth control pills. See: acute phase proteins (06 Oct 1997) |
| cross-reactive antibody | <haematology, immunology> Antibodies which don't respond to any one specific antigen, but will respond to a number of them. These antibodies can be responsible for false positive results in antigen-antibody tests. (09 Oct 1997) |
| thiobarbituric acid reactive substances | Low-molecular-weight end products, probably malondialdehyde, that are formed during the decomposition of lipid peroxidation products. These compounds react with thiobarbituric acid to form a fluorescent red adduct. (12 Dec 1998) |