| REEDS | retention of tears, ectrodactyly, ectodermal dysplasia, and strange hair, skin and teeth [syndrome] |
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| RSTL | relaxed skin tension lines |
| SA | salicylic acid; saline [solution]; salt added; sarcoidosis; sarcoma; scalenus anticus; secondary ame... |
| SASMAS | skin-adipose superficial musculoaponeurotic system |
| SC | conditioned stimulus; sacrococcygeal; Sanitary Corps; scalenus [muscle]; scapula; Schwann cell; scia... |
| 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) |
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| 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) |
| parametric test | A statistical test that depends on an assumption about the distribution of the data, e.g., that the data are normally distributed. (05 Mar 2000) |
| genetic complementation test | A test used to determine whether or not complementation (compensation in the form of dominance) will occur in a cell with a given mutant phenotype when another mutant genome, encoding the same mutant phenotype, is introduced into that cell. (12 Dec 1998) |
| Geraghty's test | An obsolete test for renal function; after the patient has drunk a glass or two of water, 1 ml of a 0.6% solution of dye is injected hypodermically; the time between this injection and the appearance of a pink tinge in the urine as it falls into an alkaline solution is noted; the amount excreted in each of the next 2 hours is then estimated colourimetrically. Synonym: Geraghty's test, phthalein test, red test, Rowntree and Geraghty test. (05 Mar 2000) |
| Marshall-Marchetti test | Manual deviation of bladder neck during strain or cough to ascertain presence of stress urinary incontinence. Synonym: Bonney test, Marshall-Marchetti test. (05 Mar 2000) |
| Marshall test | Manual deviation of bladder neck during strain or cough to ascertain presence of stress urinary incontinence. Synonym: Bonney test, Marshall-Marchetti test. (05 Mar 2000) |
| Gerhardt's test for acetoacetic acid | In fresh urine a red colour develops upon addition of FeCl3; no colour develops if the urine has first been boiled; this test has low specificity and sensitivity. Synonym: Gerhardt's reaction. (05 Mar 2000) |
| Gerhardt's test for urobilin in the urine | The urobilin is extracted with chloroform and then treated with iodine and potassium hydrate, a fluorescent green colour being produced. (05 Mar 2000) |
| carotid sinus test | Stimulation of one carotid sinus (never both) to produce reflex effects that may slow the heart, reduce the systolic blood pressure or both for diagnostic or, in the case of certain arrhythmias, therapeutic purposes. (05 Mar 2000) |