| RSL | right sacrolateral [fetal position] |
|---|---|
| RSP | removable silicone plug; ribose-5-phosphatase; right sacroposterior [fetal position] |
| RST | radiosensitivity test; reagin screen test; right sacrotransverse [fetal position]; rubrospinal tract... |
| ScDA | right scapuloanterior [fetal position] [Lat. scapulodextra anterior] |
| ScDP | right scapuloposterior [fetal position] [Lat. scapulodextra posterior] |