Medical Abbreviations and Acronyms

1. OR
   Operational Research
2. OR
   Objective Response
3. OR
   Objective Responses
4. OR
   Ocular Retardation
5. OR
   Odd Ratio
6. OR
   Odds Radio
7. OR
   Odds Ratio
8. OR
   Odds Ratios
9. OR
   Odds Ratio Estimate
10. OR
    Odorant Receptor
11. OR
    Oestrogen Receptors
12. OR
    Old Rat
13. OR
    Olfactory Receptors
14. OR
    Office of Research
15. OR
    operative risk
16. OR
    Operation Room
17. OR-BS
    Ohabain-Resistant Bumetanide-Sensitive
18. OR-IF
    Open Reduction With Internal Fixation
19. OR/F
    Open Reduction and Fixation
20. ORA
    Odds Ratio

Last updated: May 2, 2025 — Total entries: 207,332