| RSS | rat stomach strip; rectosigmoidoscopy; Russell-Silver syndrome |
|---|---|
| RSSE | Russian spring-summer encephalitis |
| RSSP | Russian Spring-Summer Panencephalitis |
| RSSR | relative slow sinus rate |
| RST | Reagin Screen Test |
| RST | radiosensitivity test; reagin screen test; right sacrotransverse [fetal position]; rubrospinal tract |
| Rst | in paper or thin layer chromatography, the distance that a spot of a substance has moved, relative to a reference standard spot |
| RSTI | Radiological Service Training Institute |
| RSTL | relaxed skin tension lines |
| RSTMH | Royal Society of Tropical Medicine and Hygiene |