| ISS | idiopathic short stature; injury severity score; International Society of Surgery; ion-scattering sp... |
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| RTS | real time scan; Rett syndrome; revised trauma score; right toestrike; Rothmund-Thomson syndrome; Rub... |
| CIDS | cellular immunity deficiency syndrome; circular intensity differential scattering; continuous insuli... |
| HEIS | high-energy ion scattering |
| LEIS | low-energy ion scattering |
| RTS | Rothmund Thomson syndrome |
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| DLS | Dynamic light scattering |
| LS | Light scattering |
| QELS | Quasi elastic light scattering |
| QLS | Quasi-elastic Light Scattering |
| Thomson scattering | <radiobiology> Scattering of photons by electrons, in the classical (low photon energy) limit. Laser light passed through a plasma will experience Thomson scattering, the spread of the scattered light in energy provides a very good measurement of the electron temperature of the plasma. (09 Oct 1997) |
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| pitch angle scattering | <physics> Scattering (collisional, or due to wave-particle effects) of particles in velocity space, in which the pitch angle (see entry above) is changed. (09 Oct 1997) |
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| Compton scattering | <radiobiology> An attenuation process observed for x and gamma radiation in which an incident photon interacts with an orbital electron of an atom to produce a recoil electron and a scattered photon of energy less than the incident photon. (16 Dec 1997) |
| scattering | <radiobiology> The deflection of one particle as a result of collisions with other particles or with waves. See: Elastic. (09 Oct 1997) |
| scattering, radiation | The process in which energy is removed from a beam of light or other electromagnetic radiation and emitted without appreciable change in wavelength. May be considered as the change in direction of a particle or photon owing to a collision with another particle or system. (12 Dec 1998) |
| light scattering | Particles suspended in a solution will cause scattering of light and the extent of the scattering is related to the size and shape of the particles (in a somewhat complex relationship). (18 Nov 1997) |
| rothmund-thomson syndrome | <syndrome> A genetic disorder with numerous features affecting skin (premature aging, excess pigmentation, dilated blood vessels),eyes (juvenile cataract), nose (saddle nose), teeth (maldeveloped), skeletal system (congenital bone defects) hair (abnormal), gonads (underdevelopment) limbs (soft tissue contractures), growth (short stature), blood (anaemia) and a tendency to develop a type of bone cancer (osteogenic sarcoma). The rts gene is on chromosome 8. The syndrome is recessive so to be affected with rts a child has to have two rts genes, one from each parent. Rts is also called poikiloderma atrophicans and cataract. (12 Dec 1998) |
| Thomson, F | <person> English physician, 1867-1938. See: Thomson's sign. (05 Mar 2000) |
| Thomson, Matthew Sidney | <person> English dermatologist, *1894. See: Rothmund-Thomson syndrome. (05 Mar 2000) |
| Thomson's disease | <disease> Glycogen storage disease in which the missing enzyme is phosphoglucomutase. See: lysosomal diseases. (18 Nov 1997) |
| Thomson's sign | <clinical sign> The presence of pink or red transverse lines at the bend of the elbow in the preeruptive stage of scarlatina; they persist through the eruptive stage and remain as pigmented lines after desquamation. Synonym: Thomson's sign. (05 Mar 2000) |
| Kelvin, Lord William Thomson | <person> Scottish physicist, 1824-1907. See: kelvin, Kelvin scale. (05 Mar 2000) |
| Thomson scattering |
When an x-ray photon interacts with the whole atom so that the photon is scattered with no change in internal energy to the scattering atom, nor to the x-ray photon. (Course Material/Radiography/Physics/radmatinteraction.htm)
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