| IT | immunological test; immunotherapy; implantation test; individual therapy; information technology; in... |
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| IVOTTS | Irvine viable organ-tissue transport system |
| LTC | large transformed cell; leukotriene C; lidocaine tissue concentration; long-term care |
| MALT | male, altered [animal]; mucosa-associated lymphoid tissue; Munich Alcoholism Test |
| MCTD | mixed connective tissue disease |
| tissue survival | The span of viability of a tissue or an organ. (12 Dec 1998) |
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| tissue tension | A theoretical condition of equilibrium or balance between the tissues and cells whereby overaction of any part is restrained by the pull of the mass. (05 Mar 2000) |
| tissue therapy | Historically, tissue transplantation, especially of refrigerated tissue (after filatov). It was theorised that non-specific substances, capable of initiating restorative processes, formed in tissues when refrigerated. This therapy has been discredited and outlawed in western medicine. Cell therapy (after niehans) refers to implantation of tissue by injection. Originally this involved fresh cells but later frozen or lyophilised cells. This therapy has also been banned in most countries but its illicit use is apparently widespread. (12 Dec 1998) |
| tissue thromboplastin inhibition time | A test used to identify lupus anticoagulant; the thromboplastin source used in the prothrombin test is diluted to increase sensitivity to inhibitors. (05 Mar 2000) |
| tissue transplantation | Transference of tissue within an individual, between individuals of the same species, or between individuals of different species. (12 Dec 1998) |
| tissue-trimming | The shaping of an impression material by the manipulation or action of the tissues adjacent to the borders of an impression. Synonym: muscle-trimming, tissue molding, tissue-trimming. (05 Mar 2000) |
| tissue typing | <procedure> The process of determining the allelic types of the antigens of the major histocompatibility complex (MHC) that determine whether a tissue graft will be accepted or rejected. at present carried out either by use of polyclonal or monoclonal antibodies against MHC antigens or less usually by tests of MHC restricted cell function or skin grafting (the latter not in humans). (18 Nov 1997) |
| tissue valve | A prosthetic cardiac valve derived from the pig heart, which is preserved and sterilised with glutaraldehyde, and permanently sutured to a shape-retaining artificial strut; in appropriate sizes, it can replace any natural heart valve. Synonym: porcine valve. (05 Mar 2000) |
| tissue weighting factor | In radiation protection, a factor weighting the equivalent dose in a particular tissue or organ in terms of its relative contribution to the total deleterious effects resulting from uniform irradiation of the whole body. See: effective dose. (05 Mar 2000) |
| epithelial tissue | See: epithelium. (05 Mar 2000) |
| erectile tissue | A tissue with numerous vascular spaces that may become engorged with blood. Synonym: cavernous tissue. (05 Mar 2000) |
| fatty tissue | <anatomy> Connective tissue that has been specialised to store fat. See: adipocyte. (25 Jun 1999) |
| fibrin tissue adhesive | <chemical> An autologous or commercial tissue adhesive containing fibrinogen and thrombin. The commercial product is a two component system from human plasma that contains more than fibrinogen and thrombin. The first component contains highly concentrated fibrinogen, factor viii, fibronectin, and traces of other plasma proteins. The second component contains thrombin, calcium chloride, and antifibrinolytic agent such as aprotinin. Mixing of the two components promotes clotting and the formation and cross-linking of fibrin. The tissue adhesive is used for tissue sealing, haemostasis, and wound healing. Pharmacological action: haemostatics, tissue adhesives. (12 Dec 1998) |
| fibrohyaline tissue | In an adult, tissue resembling cartilage. In an embryo, an early stage in cartilage formation. Synonym: fibrohyaline tissue, pseudocartilage. (05 Mar 2000) |
| fibrous tissue | Although most connective tissue has fibrillar elements, the term usually refers to tissue laid down at a wound site well vascularised at first (granulation tissue) but later avascular and dominated by collagen rich extracellular matrix, forming a scar. Excessive contraction and hyperplasia leads to formation of a keloid. (18 Nov 1997) |