Q
| quick, sharp | oxy- |
R
| radiation, x-ray; radius (lower arm bone on thumb side) | radi/o |
| radius (lower arm bone on humb side); radiation, x-ray rapid | radi/o |
| rapid | tachy- |
| record, writing | -gram |
| rectum |
rect/o |
| rectum, anus | proct/o |
| red | erythem/o |
| red | erythemat/o |
| red | erythr/o |
| red | rube/o |
| removal, excision | -ectomy |
| renal pelvis | pyel/o |
| repeated sound | echo- |
| resembling | -oid |
| retina | retin/o |
| ribs | cost/o |
| rod-shaped (striated) | rhabd/o |
| rod-shaped (striated) muscle | rhabdomy/o |
| rupture | -rrhexis |
