| Abbreviation | Definition |
|---|---|
| FLR | Finger Length Ratio |
| FLU | Influenza |
| FLX | Flexion |
| FM | Female Male |
| FM | Fine Motor |
| FMA | Fibrin Modulating Agents |
| FMAIT | Feto-Maternal AlloImmune Thrombocytopenia |
| FMBF | Forearm Muscle Blood Flow |
| FMC | Focal Macular Choroidopathy |
| FMCV | Facial Muscle Contraction Vector |
| FMD | Family medical doctor |
| FMD | FibroMuscular Dysplasia |
| FMD | Foot And Mouth Disease |
| FMEN | Familial Multiple Endocrine Neoplasia |
| FMNM | Fellowship In Metabolic and Nutritional Medicine |
| FMS | False Memory Syndrome |
| FMS | Feline McDonough Sarcoma |
| FNAB | Fine Needle Aspiration Biopsy |
| FNB | Food and Nutrition Board |
| FNC | Functional Neuromuscular Conditioning |