| SIT | serum inhibiting titer; Slosson Intelligence Test; sperm immobilization test; suggested immobilizati... |
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| 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 |
| VAT | variable antigen type; ventricular accommodation test; ventricular activation time; vesicular amine ... |
| aptitude test | An occupation-oriented intelligence test used to evaluate a person's abilities, talents, and skills; particularly valuable in vocational counseling. (05 Mar 2000) |
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| Apt test | A test for identifying foetal blood by the addition of sodium hydroxide and water to a specimen. (05 Mar 2000) |
| Aschheim-Zondek test | An obsolete test for pregnancy; repeated injections of small quantities of urine voided during the first months of pregnancy produce in infantile mice, within 100 hours, minute intrafollicular ovarian haemorrhages, and the development of lutein cells. Synonym: A.-Z. Test, Zondek-Aschheim test. (05 Mar 2000) |
| Ascoli's test | A precipitin test for anthrax using a tissue extract and anthrax antiserum. (05 Mar 2000) |
| ascorbate-cyanide test | A test for glucose-6-phosphate-deficient red blood cells; blood is incubated with sodium cyanide and ascorbate; the hydrogen peroxide generated is free to oxidise haemoglobin to methemoglobin, since cyanide inhibits catalase; a brown colour is produced more rapidly in glucose 6-phosphate-deficient cells. (05 Mar 2000) |
| aspergillus antigen skin test | <investigation> An antigen, prepared from aspergillus, is injected into the skin. In 48 to 72 hours the site is read as positive or negative. A positive skin test (inflammation at the test site) indicates prior exposure to aspergillus and therefore a risk for developing aspergillosis. (27 Sep 1997) |
| association test | A word (stimulus word) is spoken to the subject, who is to reply immediately with another word (reaction word) suggested by the first; used as a diagnostic aid in psychiatry and psychology, clues being given by the length of time (association time) between the stimulus and reaction words, and also by the nature of the reaction words. (05 Mar 2000) |
| Astwood's test | A test for the assay of oestrogenic substances; immature female rats (25 to 49 g) are injected subcutaneously with the hormone and killed after 6 hours, when the increase in uterine weight (due largely to imbibation of water) is taken as the criterion of oestrogenic activity. Synonym: Astwood's test. (05 Mar 2000) |
| atropine test | If an injection of atropine relieves bradycardia, the condition is due to action of the vagus; if it does not, the condition may be due to an affection of the heart itself. Synonym: atropine test. (05 Mar 2000) |
| augmented histamine test | A test for maximal production of gastric acidity or anacidity; after preliminary administration of an antihistamine, histamine acid phosphate is injected subcutaneously in a dose of 0.04 mg/kg of body weight, followed by analysis of gastric contents. Synonym: augmented histamine test. (05 Mar 2000) |
| aussage test | A test of ability to reproduce correctly something that has been seen for a brief interval. Origin: Ger. Aussage, a declaration (05 Mar 2000) |
| autohemolysis test | When sterile defibrinated blood is incubated at 37캜, normal red blood cells haemolyze slowly; cells with membrane or metabolic defects do so to a greater extent. (05 Mar 2000) |
| Bachman-Pettit test | A modification of Kober's test for the detection of estradiol and similar oestrogenic hormones in the urine. (05 Mar 2000) |
| Bachman test | A skin test for trichinosis in which an extract of Trichinella larvae is suspended in saline and injected intradermally. An immediate wheal-and-flare reaction or a delayed response indicates infection. (05 Mar 2000) |
| Bagolini test | A test for retinal correspondence with the subject observing a figure through two striated lenses. (05 Mar 2000) |