| toxic shock syndrome | <syndrome> A blood-borne bacterial infection caused by the genus Staphylococcus. Usually effects menstruating females under the age of thirty and was associated in the past with the use of a particular type of tampon (no longer used). Common symptoms include: fever, chills, vomiting, sore throat, headache and decreased urine output. Progression of disease can result in lowering of blood pressure (shock) and renal failure. Treatment includes hospitalisation and intravenous antibiotics emergently. (27 Sep 1997) |
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| toxic substances | A chemical or mixture of chemicals that presents a high risk of injury to human health or to the environment. (05 Dec 1998) |
| toxic tetanus | Tonic spasms caused by strychnine or other tetanic. Synonym: toxic tetanus. (05 Mar 2000) |
| toxic unit | A unit formerly synonymous with minimal lethal dose but which, because of the instability of toxins, is now measured in terms of the quantity of standard antitoxin with which the toxin combines. See: L doses, minimal lethal dose. Synonym: toxin unit. (05 Mar 2000) |
| epidermal necrolysis, toxic | An exfoliative disease of skin seen primarily in adults and characterised by flaccid bullae and spreading erythema so that the skin has the appearance of being scalded. It results primarily from a toxic reaction to various drugs, but occasionally occurs as a result of infection, neoplastic conditions, or other exposure. (12 Dec 1998) |
| acute reflex bone atrophy | Atrophy of bones, commonly of the carpal or tarsal bones, following a slight injury such as a sprain. See: causalgia, reflex sympathetic dystrophy. Synonym: acute reflex bone atrophy, posttraumatic osteoporosis, Sudeck's syndrome. Origin: L. English sweat (05 Mar 2000) |
| acute yellow atrophy of the liver | A lesion in which there is extensive and rapid death of parenchymal cells of the liver, sometimes with fatty degeneration of the size of the organ; the necrosis may result from fulminant viral infection or chemical poisoning; associated with jaundice. Synonym: acute parenchymatous hepatitis, Rokitansky's disease. (05 Mar 2000) |
| alveolar atrophy | Diminution in size of the supportive tissues of the teeth due to lack of function, reduced blood supply, or unknown causes. (05 Mar 2000) |
| arthritic atrophy | Atrophy of muscles rendered inactive by a chronically inflamed or fixed joint. (05 Mar 2000) |
| atrophy | <pathology> A wasting away, a diminution in the size of a cell, tissue, organ or part. Origin: L., Gr. Atrophia (16 Dec 1997) |
| back-pressure renal atrophy | <radiology> Caliectasis without obstruction, due to repeated episodes of obstruction, gradual loss of renal pyramids (12 Dec 1998) |
| blue atrophy | Depressed blue atrophic scars due to injections in the skin of impure substances, as seen in narcotics addicts. (05 Mar 2000) |
| brown atrophy | Atrophy of the heart wall, especially in the elderly, in which the muscle is dark reddish brown and reduced in volume; the muscle fibres become pigmented especially about the nuclei, by lipochrome granules. (05 Mar 2000) |
| Buchwald's atrophy | A progressive form of cutaneous atrophy. (05 Mar 2000) |
| macular atrophy | Atrophoderma in which the skin becomes bag like and wrinkled. Synonym: atrophia maculosa varioliformis cutis, atrophoderma maculatum, macular atrophy, primary idiopathic macular atrophy, primary macular atrophy of skin. Origin: G. Anetos, relaxed, + derma, skin (05 Mar 2000) |