| SEM | sample evaluation method; scanning electron microscopy; secondary enrichment medium; standard error ... |
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| SM | Master of Science; sadomasochism; self-monitoring; silicon microphysiometer; simple mastectomy; skim... |
| SMA | sequential multiple analysis or analyzer; sequential multichannel autoanalyzer; simultaneous multich... |
| SOM | secretory otitis media; sensitivity of method; serous otitis media; somatotropin; state operations m... |
| SWIM | sperm-washing insemination method |
| encu method | A means of simplifying the calculation of risk in genetic counseling for autosomal dominant traits by converting all pertinent evidence into encu units. (05 Mar 2000) |
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| ensu method | A means of simplifying the calculation of risk in genetic counseling for X-linked traits by converting all pertinent evidence into ensu units. (05 Mar 2000) |
| twin method | A general means of genetic analysis that capitalises on the fact that while twins have the same age and the same intrauterine environment, identical (monozygotic) twins have the same genotype but dizygotic twins are no more alike than sibs and may be of different sex. (05 Mar 2000) |
| Johnson's method | A method of filling the root canals of teeth by dissolving gutta-percha cones in a chloroform-rosin medium within the root canal. Synonym: Callahan's method, Johnson's method. (05 Mar 2000) |
| experimental method | In experimental psychology, control of environmental, physiological, or attitudinal factors to observe dependent changes in aspects of experience and behaviour. (05 Mar 2000) |
| Keating-Hart's method | Fulguration in the treatment of external cancer or of the field of operation after the removal of a malignant growth. (05 Mar 2000) |
| Kendall method | A standard method for estimation of total serum cholesterol involving saponification of cholesterol ester by hydroxide, extraction with petroleum ether, and colour development with acetic anhydride-sulfuric acid; the method avoids interference by bilirubin, protein, and haemoglobin. (05 Mar 2000) |
| ultropaque method | A rapid method for examining thick (1 to 3 mm) sections of fresh tissue with the ultramicroscope, making use of an objective built in an illuminator so that the light is reflected down upon the tissue. (05 Mar 2000) |
| Kety-Schmidt method | A method for measuring organ blood flow first applied to the brain in 1944 by C. F. Schmidt and S. S. Kety. A chemically inert indicator gas is equilibrated with the tissue of the organ of interest and the rate of disappearance from the organ is measured. Blood flow is calculated on the assumption that the tissue and venous blood concentrations of the indicator gas are in diffusion equilibrium at all blood flow rates and that the rate of disappearance of the indicator from the tissue is a function of how much is in the tissue at any time, i.e., it is assumed to be an exponential disappearance. (05 Mar 2000) |
| zinc sulfate flotation centrifugation method | A flotation method in which the faecal specimen is suspended in tap water, strained through wet gauze, centrifuged, resuspended in tap water, washed and recentrifuged several times, and then suspended in 33% solution of zinc sulfate and centrifuged at top speed for 45 to 60 sec; a bacteriologic loop may be used to pick up the surface layer, which contains protozoan cysts and helminth eggs. (05 Mar 2000) |
| Kjeldahl method | More specifically see: macro-Kjeldahl method, micro-Kjeldahl method. (05 Mar 2000) |
| Klapp's method | Treatment of scoliosis by a series of systematic crawling movements whereby the spine is bent laterally and made more flexible. (05 Mar 2000) |
| Krause's method | A full-thickness skin graft. Synonym: Krause-Wolfe graft. (05 Mar 2000) |
| Fick method | In 1870 A. Fisk proposed that cardiac output can be calculated as the quotient of total body oxygen consumption divided by the difference in oxygen content of arterial blood and mixed venous blood. In the direct Fick method all variables are measured. The indirect Fick method employs a variety of means to avoid measuring mixed venous oxygen content. By extension, the Fick method may be used to measure cardiac output or organ blood flow with any indicator substance for which the rate of uptake or consumption, and the arterial and mixed venous concentrations, can be measured, provided the indicator does not enter or leave the system by any route not being measured. Synonym: Fick principle. (05 Mar 2000) |
| u-score method | An older, simpler, but somewhat less efficient method of linkage analysis than that by maximum likelihood estimation. (05 Mar 2000) |