| TST | thiosulfate sulfur-transferase; thromboplastin screening test; total sleep time; transforming sequen... |
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| TT | tablet triturate; tactile tension; tendon transfer; test tube; testicular torsion; tetanus toxin; te... |
| TTT | thymol turbidity test; tolbutamide tolerance test; total twitch time; tuberculin tine test |
| VAT | variable antigen type; ventricular accommodation test; ventricular activation time; vesicular amine ... |
| AGT | Anti-Globulin Test = Coombs' Test |
| Brigg's test | A test using the reduction of molybdate to follow the excretion of homogentisic acid. (05 Mar 2000) |
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| bromphenol test | A colourimetric test for measurement of protein, albumin, and globulin in the urine by use of reagent strips. (05 Mar 2000) |
| bromsulphalein test | An obsolete test for liver function (hepatic excretory capacity) in which a known amount of dye, usually 5 mg/kg of body weight, is injected intravenously; subsequently (usually after 45 minutes elapsed time), the amount of dye remaining in the serum is measured; a concentration of 0.4 mg or less of bromsulphalein per 100 ml of serum or less than 4% of the injected dye is considered normal; bromsulphalein retention may follow decreased hepatic blood flow or biliary obstruction as well as hepatic cell damage. Synonym: BSP test. (05 Mar 2000) |
| BSP test | An obsolete test for liver function (hepatic excretory capacity) in which a known amount of dye, usually 5 mg/kg of body weight, is injected intravenously; subsequently (usually after 45 minutes elapsed time), the amount of dye remaining in the serum is measured; a concentration of 0.4 mg or less of bromsulphalein per 100 ml of serum or less than 4% of the injected dye is considered normal; bromsulphalein retention may follow decreased hepatic blood flow or biliary obstruction as well as hepatic cell damage. Synonym: BSP test. (05 Mar 2000) |
| butanol-extractable iodine test | An obsolete test for thyroid function, applicable in patients who have received large amounts of iodine or iodised products. Synonym: BEI test. (05 Mar 2000) |
| California psychological inventory test | A personality inventory, used with normal persons, in which emphasis is upon social interaction variables. (05 Mar 2000) |
| Calmette test | Conjunctival reaction to tuberculin. (05 Mar 2000) |
| caloric test | A test for vestibular function, made by irrigating the external auditory meatus with either hot or cold water; this normally causes stimulation of the vestibular apparatus, resulting in nystagmus and past-pointing; in vestibular disease, the response may be reduced or absent. Synonym: caloric test, nystagmus test. (05 Mar 2000) |
| CAMP test | A test to identify Group B beta-streptococci based on their formation of a substance (CAMP factor) that enlarges the area of haemolysis formed by streptococcal beta-haemolysin. Origin: Christie, Atkins, and Munch-Petersen, developers of the t. (05 Mar 2000) |
| cancer antigen 125 test | Test for cell-surface antigen found on derivatives of coelomic epithelium. Elevated levels of this antigen are associated with ovarian malignancy and benign pelvic disease such as endometriosis. (05 Mar 2000) |
| capillary fragility test | A tourniquet test used to determine presence of vitamin C deficiency or thrombocytopenia; a circle 2.5 cm in diameter, the upper edge of which is 4 cm below the crease of the elbow, is drawn on the inner aspect of the forearm, pressure midway between the systolic and diastolic blood pressure is applied above the elbow for 15 minutes, and a count of petechiae within the circle is made: 10, normal; 10 to 20, marginal zone; over 20, abnormal. See: Rumpel-Leede test. Synonym: capillary resistance test, vitamin C test. (05 Mar 2000) |
| capillary resistance test | A tourniquet test used to determine presence of vitamin C deficiency or thrombocytopenia; a circle 2.5 cm in diameter, the upper edge of which is 4 cm below the crease of the elbow, is drawn on the inner aspect of the forearm, pressure midway between the systolic and diastolic blood pressure is applied above the elbow for 15 minutes, and a count of petechiae within the circle is made: 10, normal; 10 to 20, marginal zone; over 20, abnormal. See: Rumpel-Leede test. Synonym: capillary resistance test, vitamin C test. (05 Mar 2000) |
| capon-comb-growth test | A test for androgenic activity, based upon the stimulation of comb growth in capons (castrated cockerels) or immature roosters. Synonym: capon-comb-growth test, cock's comb test. (05 Mar 2000) |
| carbohydrate utilization test | A test for the definitive identification of clinically important yeasts and yeastlike organisms. (05 Mar 2000) |
| Gaddum and Schild test | A sensitive method for identification of epinephrine in tissue or other material, based on the fluorescence of epinephrine exposed to ultraviolet light in the presence of alkali and oxygen; sensitivity ranges from 1:50 to 1:100 million. (05 Mar 2000) |