| RAM | random-access memory; rapid alternating movements; rectus abdominis muscle; rectus abdominis myocuta... |
|---|---|
| rect | rectal; rectification, rectified; rectum; rectus [muscle] |
| RIR | relative incidence rates; right interior rectus [muscle] |
| RLR | right lateral rectus [muscle] |
| RMR | relative maximum respone; resting metabolic rate; right medial rectus [muscle] |