| skin diseases, genetic | Diseases of the skin with a genetic component, usually the result of various inborn errors of metabolism. (12 Dec 1998) |
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| skin diseases, infectious | Skin diseases caused by bacteria, fungi, parasites, or viruses. (12 Dec 1998) |
| skin diseases, metabolic | Diseases of the skin associated with underlying metabolic disorders. (12 Dec 1998) |
| skin diseases, papulosquamous | A group of dermatoses with distinct morphologic features. The primary lesion is most commonly a papule, usually erythematous, with a variable degree of scaling on the surface. Plaques form through the coalescing of primary lesions. (12 Dec 1998) |
| skin diseases, parasitic | Skin diseases caused by arthropods, helminths, or protozoa. (12 Dec 1998) |
| skin diseases, vascular | Skin diseases affecting or involving the cutaneous blood vessels and generally manifested as inflammation, swelling, erythema, or necrosis in the affected area. (12 Dec 1998) |
| skin diseases, vesiculobullous | Skin diseases characterised by local or general distributions of blisters. They are classified according to the site and mode of blister formation. Lesions can appear spontaneously or be precipitated by infection, trauma, or sunlight. Aetiologies include immunologic and genetic factors. (12 Dec 1998) |
| skin diseases, viral | Skin diseases caused by viruses. (12 Dec 1998) |
| slow virus diseases | Diseases of viral origin, characterised by incubation periods of months to years, insidious onset of clinical manifestations, and protracted clinical course. Though the disease process is protracted, viral multiplication may not be unusually slow. Conventional viruses produce slow virus diseases such as subacute sclerosing panencephalitis, progressive multifocal leukoencephalopathy (leukoencephalopathy, progressive multifocal), and aids. Diseases produced by unconventional agents were originally considered part of this group. They are now called prion diseases. (12 Dec 1998) |
| social diseases | An obsolete term used to designate venereal disease's, especially gonorrhoea and syphilis. (05 Mar 2000) |
| nail diseases | Diseases of the nail plate and tissues surrounding it. The concept is limited to primates. (12 Dec 1998) |
| nasopharyngeal diseases | General or unspecified diseases of the nasopharynx. (12 Dec 1998) |
| neonatal diseases and abnormalities | Diseases existing at birth and often before birth, regardless of causation. Of these congenital diseases, those characterised by structural deformities are termed abnormalities. (12 Dec 1998) |
| stomatognathic diseases | General or unspecified diseases of the stomatognathic system, comprising the mouth, teeth, jaws, and pharynx. (12 Dec 1998) |
| neurodegenerative diseases | A varied assortment of central nervous system disorders characterised by gradual and progressive loss of neural tissue. (cecil textbook of medicine, 20th ed, p2050) (12 Dec 1998) |