| Rg | Radius of Gyration |
|---|---|
| Rg | Rodger |
| RG | red gastrocnemius |
| Rg | rough |
| rG-CSF | Recombinant granulocyte colony-stimulating factor |
| rG-CSF | Recombinant human granulocyte colony-stimulating factor |
| RG-I | Rhamnogalacturonan I |
| RG-II | Rhamnogalacturonan II |
| RGC | Retinal ganglion cell |
| RGC | respiratory glycoconjugate |