| RGC | radio-gas chromatography; remnant gastric cancer; retinal ganglion cell; right giant cell |
|---|---|
| RSC | rat spleen cell; rested state contraction; reversible sickle-cell; right subclavian |
| SCAT | sheep cell agglutination test; sickle cell anemia test; Sports Competition Anxiety Test |
| sq | cell ca squamous cell carcinoma |
| Tc | cytotoxic T-cell; the generation time of a cell cycle; tricuspid closure |
| to-and-fro anaesthesia | Anaesthesia using of a valveless closed anaesthesia circuit in which respired gases pass back and forth through a carbon dioxide absorbent interposed between patient and respiratory reservoir bag. (05 Mar 2000) |
|---|---|
| to-and-fro murmur | Murmur heard in both systole and diastole of the heart, as in aortic stenosis and insufficiency. Synonym: seesaw murmur. (05 Mar 2000) |
| to-and-fro sound | Doubling of an abnormal murmur usually in systole and diastole and formerly applied to pericardial rubs. (05 Mar 2000) |
| elevators and escalators | Mechanical ascending and descending devices which convey objects and/or people. (12 Dec 1998) |
| tooth-and-nail syndrome | <syndrome> Hypodontia associated with absent or very small nails at birth. Common among Dutch Mennonites in Canada. (05 Mar 2000) |
| topping and back pressure turbine | Turbines which operate at exhaust pressure considerably higher than atmospheric (noncondensing turbines). These turbines are often multistage types with relatively high efficiency. (05 Dec 1998) |
| emblems and insignia | Figures or symbols identifying or representing organizations or societies. (12 Dec 1998) |
| embolism and thrombosis | A collective term for diseases characterised by the formation, development, or presence of a thrombus (thrombosis) and the blocking of a vessel by the thrombus brought to its site by the blood current (embolism). (12 Dec 1998) |
| track and field | Sports performed on a track, field, or arena and including running events and other competitions, such as the pole vault, shot put, etc. (12 Dec 1998) |
| tract of Munzer and Wiener | A fibre bundle arising in the superior colliculus, passing caudoventrally on the same side along the medial side of the lateral lemniscus, issuing fibres terminating in the lateral zone of the mesencephalic tegmentum, and ending in the lateral part of the gray matter of the ventral part of the pons. Synonym: tract of Munzer and Wiener, tractus tectopontinus. (05 Mar 2000) |
| transients and migrants | Mobile, short-term residents who move usually to find work. (12 Dec 1998) |
| environmental pollutants, noxae, and pesticides | Substances capable of producing a harmful or deadly effect on living organisms as well as the environment. (12 Dec 1998) |
| environment and public health | Natural and man-made environments and their impact on public health. (12 Dec 1998) |
| enzymes, coenzymes, and enzyme inhibitors | Proteins or RNA that act as biological catalysts, their cofactors, and inhibitors. (12 Dec 1998) |
| trial and error | The apparently random, haphazard, hit-or-miss exploratory activity which often precedes the acquisition of new information or adjustments; it may be overt, as in a rat running in a maze, or covert (vicarious), as when one thinks of various ways of coping with a situation. (05 Mar 2000) |