| SF | Sabin-Feldman [test]; safety factor; salt-free; scarlet fever; screen film; seminal fluid; serosal f... |
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| Sf | Svedberg flotation unit |
| Svedberg, Theodor | <person> Swedish chemist and Nobel laureate, 1884-1971. See: Svedberg equation, Svedberg of flotation, Svedberg unit. (05 Mar 2000) |
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| Svedberg | <unit> A unit for measuring the rate at which a particle sediments in a centrifuge. The unit applied to the sedimentation coefficient of a particle in a high speed or ultracentrifuge. S= rate of sedimentation x 1/ rho exp2r Where rho is the speed of rotation in radians per second and r is the radius to a chosen point in the centrifuge tube. 1 Svedberg unit is defined as a velocity gradient of 10exp 13 seconds. Named after a pioneer of the ultracentrifuge. The units are nonadditive: a particle formed from two 5S particles will not have a sedimentation coefficient of 10S. (18 Nov 1997) |
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| Svedberg equation | See: sedimentation constant. (05 Mar 2000) |
| Svedberg of flotation | Characteristic sedimentation behaviour of a lipoprotein fraction of plasma in a centrifugal field in a medium of appropriate density, achieved by adding a salt or D2O to the plasma. Synonym: negative S, Svedberg of flotation. (05 Mar 2000) |
| Svedberg unit | A sedimentation constant of 1 × 10-13 seconds. (05 Mar 2000) |
| Axenfeld, K Theodor | <person> German ophthalmologist, 1867-1930. See: Morax-Axenfeld diplobacillus. (05 Mar 2000) |
| Billroth, C A Theodor | <person> Austrian surgeon, 1829-1894. See: Billroth's cords, Billroth's operation I, Billroth's operation II, Billroth's venae cavernosae, Billroth I anastomosis, Billroth II anastomosis. (05 Mar 2000) |
| Meynert, Theodor | <person> Vienna neurologist, 1833-1892. See: Meynert's retroflex bundle, Meynert's cells, Meynert's commissures, Meynert's decussation, Meynert's fasciculus, Meynert's layer. (05 Mar 2000) |
| Rumpel, Theodor | <person> German physician, 1862-1923. See: Rumpel-Leede sign, Rumpel-Leede test, Rumpel-Leede phenomenon. (05 Mar 2000) |
| Schott, Theodor | <person> 1850-1921, German physician in Bad Nauheim. See: Schott treatment. (05 Mar 2000) |
| Schwann, Theodor | <person> Taught Anatomy and Physiology in Berlin, became Professor of Anatomy in Louvain and was later Professor of Comparative Anatomy and Physiology at Liege. Was an early advocate (1838) of the cellular doctrine of tissues and the originator of the neuronal theory of the nervous system. Schwann cell - produces myelin in the peripheral nervous system. Mikroskopische Untersuchungen ueber die Uebereinstimmung in der Struktur und dem Wachstum der Thiere und Pflanzen. Berlin. 1839. Lived: 1810-1882. B. Neuss, Prussia, Dec 7th, 1810, d. Cologne, Jan 11th, 1882. (05 Dec 1998) |
| Theodor Kocher | <person> Switzerland has developed many famous medical men, but none greater than Theodor Kocher of Berne. His work centreed on colloid and toxic goitre, for which he became a Nobel Laureate in 1909. He was a pioneer abdominal surgeon, being one of the first to successfully resect and unite the intestines. Halsted adored Kocher and copied many of his mannerisms (surgical gloves, silk gloves). Harvey Cushing, the neurosurgeon, also visited Kocher and wrote, "This professor has outdone surgery at the Johns Hopkins Hospital." Lived: 1841-1917. (15 Nov 1997) |
| Engelmann, Theodor | <person> German physiologist, 1843-1909. See: Engelmann's basal knobs. (05 Mar 2000) |
| Kaes, Theodor | <person> German neurologist, 1852-1913. See: line of Kaes, band of Kaes-Bechterew. (05 Mar 2000) |
| Kerckring, Theodor | <person> Dutch anatomist, 1640-1693. See: Kerckring's centre, Kerckring's folds, ossicle, Kerckring's valves. (05 Mar 2000) |
| Klebs, Theodor Albrecht Edwin | <person> German physician, 1834-1913. See: Klebsiella, Klebs-Loeffler bacillus. (05 Mar 2000) |
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