| AB | abdominal; abnormal; abortion; Ace bandage; active bilaterally; aid to the blind; alcian blue; alert... |
|---|---|
| RAEB-T | Refractory Anemia with Excess Blasts in Transformation |
| ATZ | atypical transformation zone |
| ELECTZ | electrosurgical loop excision of the cervical transformation zone |
| HLT | heart-lung transplantation; human lipotropin; human lymphocyte transformation |
| ACM | Asbestos Containing Material |
|---|---|
| AB | Asbestos bodies |
| ABs | Asbestos bodies |
| BT | Blastic transformation |
| DLT | Direct Linear Transformation |
| asbestos | <chemical> A fibrous incombustible mineral known to cause fibrosis and scarring in the lungs. Also a known carcinogenic material (can cause lung cancer, mesothelioma). (27 Sep 1997) |
|---|---|
| asbestos, amosite | <chemical> Asbestos, grunerite. A monoclinic amphibole form of asbestos having long fibres and a high iron content. It is used in insulation. Pharmacological action: carcinogens. Chemical name: Asbestos, grunerite (12 Dec 1998) |
| asbestos, amphibole | <chemical> A class of asbestos that includes silicates of magnesium, iron, calcium, and sodium. The fibres are generally brittle and cannot be spun, but are more resistant to chemicals and heat than asbestos, serpentine. Pharmacological action: carcinogens. (12 Dec 1998) |
| asbestos bodies | Ferruginous body's with asbestos fibres as a core; a histologic hallmark of exposure to asbestos. (05 Mar 2000) |
| asbestos corn | A granulomatous or hyperkeratotic lesion of the skin at the site of deposit of asbestos particles. Synonym: asbestos wart. (05 Mar 2000) |
| asbestos, crocidolite | <chemical> Crocidolite. A lavender, acid-resistant asbestos. Pharmacological action: carcinogens. Chemical name: Crocidolite (12 Dec 1998) |
| asbestos liner | A layer of asbestos used to line a dental casting ring so that during the heating and expansion of the investment the compression of the liner will free the investment from the restraint of the ring. (05 Mar 2000) |
| asbestos lung disease | <radiology> Pleural plaques, earliest finding, may be only evidence, parietal pleura, 15-20 yrs after exposure, calcified after ca. 30 yrs, asbestosis, interstitial lung disease, perihilar regions to lung bases, shaggy heart, no cavitation or progressive massive fibrosis as in silicosis, crocidolite (blue) form most carcinogenic, associated with: malignant pleural mesothelioma, peritoneal mesothelioma, GI-tract malignancy (12 Dec 1998) |
| asbestos, serpentine | <chemical> A type of asbestos that occurs in nature as the dihydrate of magnesium silicate. It exists in two forms: antigorite, a plated variety, and chrysotile, a fibrous variety. The latter makes up 95% of all asbestos products. Pharmacological action: carcinogens. (12 Dec 1998) |
| asbestos wart | A granulomatous or hyperkeratotic lesion of the skin at the site of deposit of asbestos particles. Synonym: asbestos wart. (05 Mar 2000) |
| abiotic transformation | <biochemistry> An abiotic transformation is any process in which a chemical in the environment is altered by non-biological mechanisms (such as by exposure to sunlight). (09 Oct 1997) |
| bacterial transformation | <microbiology> A genetics lab procedure where bacteria are induced to accept and incorporate into their genome foreign pieces of cell-less, isolated DNA, often in the form of a plasmid. The DNA to be introduced usually contains a selectable marker so that the bacteria which successfully incorporate the DNA can be selected for. (09 Oct 1997) |
| blast transformation | <haematology> The morphological and biochemical changes in lymphocytes, both B and T, on exposure to antigen or to a mitogen. The cells appear to move from G0 to G1 stage of the cell cycle. They usually enlarge and proceed to S phase and mitosis later. The process probably involves receptor cross linking on the plasma membrane. (18 Nov 1997) |
| genetic transformation | <molecular biology> Genetic change brought about by the introduction of exogenous DNA into a cell. See: transformation, germ line transformation, transfection. (18 Nov 1997) |
| germ line transformation | Micro injection of foreign DNA into an early embryo, so that it becomes incorporated into the germ line of the individual and thus stably inherited in subsequent generations of transgenic organisms. Typically, the DNA would be a reporter gene or cDNA in a vector such as a transposon, that might also carry a visible marker gene such as eye or coat colour), so that successful transformation could readily be detected. (18 Nov 1997) |
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