| deficiency diseases | A condition produced by dietary or metabolic deficiency. The term includes all diseases caused by an insufficient supply of essential nutrients, i.e., protein (or amino acids), vitamins, and minerals. It also includes an inadequacy of calories. (12 Dec 1998) |
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| sweat gland diseases | Diseases of the sweat glands. (12 Dec 1998) |
| demyelinating diseases | Any condition characterised by the destruction of myelin and extensive loss of the myelin sheaths of the nerve fibres. It affects both the central and peripheral nervous systems. Its aetiology is at present unknown. (12 Dec 1998) |
| swine diseases | Diseases of domestic swine and of the wild boar of the genus sus. (12 Dec 1998) |
| systemic autoimmune diseases | A group of connective tissue disease's characterised by the presence of autoantibodies responsible for immunopathologically mediated tissue lesions; systemic lupus erythematosus is the prototype. (05 Mar 2000) |
| systemic febrile diseases | Generic term for diseases characterised by fever. (05 Mar 2000) |
| diseases, obesity-related | Obesity increases the risk of developing a number of diseases including: Type 2 (adult-onset) diabetes High blood pressure (hypertension) Stroke (cerebrovascular accident or CVA) Heart attack (myocardial infarction or MI) Heart failure (congestive heart failure) Cancer (only certain forms such as prostate and colon cancer) Gallstones and gall bladder disease (cholecystitis) Gout and gouty arthritis Osteoarthritis (degenerative arthritis) of the knees, hips, and the lower back Sleep apnea (failure to breath normally during sleep, lowering blood oxygen) Pickwickian syndrome (obesity, red face, underventilation, and drowsiness). (12 Dec 1998) |
| diseases, polygenic | Genetic disorders that are caused by the combined action of more than one gene. Examples of polygenic conditions include hypertension, coronary heart disease, diabetes, and peptic ulcers. Because such disorders depend on the simultaneous presence of several genes, they are not inherited as simply as single-gene diseases. (12 Dec 1998) |
| diseases, rickettsial | The infectious diseases caused by the rickettsiae fall into 4 groups:(1) typhus: epidemic typhus, Brill-Zinsser disease, murine (endemic) typhus, and scrub typhus; (2) spotted fever Rocky Mountain spotted fever, Eastern tick-borne rickettsioses, and rickettsialpox; (3) Q fever; and (4) trench fever. (12 Dec 1998) |
| diseases, single-gene | Hereditary disorders caused by a change (mutation) in a single gene. There are thousands of single-gene diseases including achondroplastic dwarfism, Huntington disease, cystic fibrosis, sickle cell disease, Duchenne muscular dystrophy, and haemophilia. Single-gene diseases typically describe classic simple Mendelian patterns of inheritance (as autosomal dominant, autosomal recessive, and X-linked traits) by comparison with polygenic diseases. (12 Dec 1998) |
| dog diseases | Diseases of the domestic dog (canis familiaris). This term does not include diseases of wild dogs, wolves, foxes, and other canidae for which the heading carnivora is used. (12 Dec 1998) |
| ileal diseases | Diseases of the ileum including the ileocaecal valve. (12 Dec 1998) |
| immune complex diseases | Diseases characterised by the presence of immune complexes in body fluids. Hypersensitivity of the Arthus type and serum sickness are examples. (18 Nov 1997) |
| immune deficiency diseases | Those diseases in which immune reactions are suppressed or reduced. Reasons may include congenital absence of B and/or T lymphocytes or viral killing of helper lymphocytes (see HIV). (18 Nov 1997) |
| immunologic diseases | Disorders caused by abnormal or absent immunologic mechanisms, whether humoral, cell-mediated or both. (12 Dec 1998) |