| SCT | secretin; sex chromatin test; sexual compatibility test; sickle-cell trait; sperm cytotoxicity; spin... |
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| SIT | serum inhibiting titer; Slosson Intelligence Test; sperm immobilization test; suggested immobilizati... |
| TST | thiosulfate sulfur-transferase; thromboplastin screening test; total sleep time; transforming sequen... |
| 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 |
| vanillylmandelic acid test | A test for catecholamine-secreting tumours (pheochromocytoma and neuroblastoma) performed on a 24-hr urine specimen; it is based on the fact that vanillylmandelic acid is the major urinary metabolite of norepinephrine and epinephrine. Synonym: 3-methoxy-4-hydroxymandelic acid test, VMA test. (05 Mar 2000) |
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| Palmer acid test for peptic ulcer | In duodenal ulcer, the administration of acid by duodenal tube causes severe pain. (05 Mar 2000) |
| palmin test | A test of pancreatic efficiency, based upon the fact that the presence of fat in the stomach causes the pylorus to open and admit the pancreatic juice; this splits the palmin so that an examination of the stomach contents, after a test meal containing palmin, will reveal the presence of fatty acids. (05 Mar 2000) |
| Raji cell binding test | <investigation> A test for the detection of soluble IgG antigen complexes. Raji cells are a line of EBV transformed lymphocytes with surface Fc receptors. Complexes are detected by their ability to compete with a radiolabelled aggregated IgG for binding to the cells. (18 Nov 1997) |
| P and P test | A test formerly used by some to control anticoagulant therapy with bishydroxycoumarin and indandione drugs. Synonym: P and P test. (05 Mar 2000) |
| VDRL test | A flocculation test for syphilis, using cardiolipin-lecithin-cholesterol antigen as developed by the Venereal Disease Research Laboratory of the United States Public Health Service. (05 Mar 2000) |
| Papanicolaou smear test | Microscopic examination of cells collected from the cervix. It is used to detect changes that may be cancer or may lead to cancer, and it can show noncancerous conditions, such as infection or inflammation. Also called pap smear. (12 Dec 1998) |
| pap test | Microscopic examination of cells collected from the cervix. It is used to detect changes that may be cancer or may lead to cancer, and it can show noncancerous conditions, such as infection or inflammation. Also called pap smear. (12 Dec 1998) |
| Gelle test | A vibrating tuning fork is applied over the mastoid process; if it is heard, the air in the external auditory canal is compressed, by means of a rubber tube inserted into the canal and a hand bulb, thereby fixing the stapes in the oval window, and the sound ceases to be heard, but is again perceived if the air pressure is removed; a test of the mobility of the ossicles. (05 Mar 2000) |
| rapid plasma reagin test | A group of serologic test's for syphilis in which unheated serum or plasma is reacted with a standard test antigen containing charcoal particles; positive test's yield a flocculation. A modification, called the RPR (circle) card test, is widely used as a screening test. Synonym: RPR test. (05 Mar 2000) |
| Rapoport test | A differential ureteral catheterization test used to evaluate suspected renovascular hypertension; urine specimens from each kidney are obtained by bilateral ureteral catheterization, and the tubular rejection fraction ratio is determined by measuring concentrations of sodium and creatinine in the urine from each kidney. (05 Mar 2000) |
| Mantel-Haenszel test | A summary chi-square test developed by Mantel and Haenszel for stratified data, used when controlling for confounding. (05 Mar 2000) |
| Rayleigh test | A ratio of red to green required by each observer to match spectral yellow. Synonym: Rayleigh test. (05 Mar 2000) |
| parallax test | Measurement of the deviation in strabismus by the alternate cover test combined with neutralization of the deviation using prisms. (05 Mar 2000) |
| Mantoux test | <investigation> Test for tuberculin reactivity in which tuberculin PPD (purified protein derivative) is injected intracutaneously. The injection site is examined after 2-3 days, a positive reaction, indicating current or previous infection with Mycobacterium tuberculosis (in an uninoculated individual), is an oedomatous and reddened area caused by T-cell reactivity. (18 Nov 1997) |