| Abbreviation | Definition |
|---|---|
| ETSL | Energy and Transport Sciences Laboratory |
| ETT | Evacuated Tube Transport |
| EU | endotoxin unit |
| EUCAST | EUropean Committee for Antimicrobial Susceptibility Testing |
| EUCTD | European Union Clinical Trials Directive |
| EUD | Etiology Un-Determined |
| EUG | Excretory UroGraphy |
| EUS | Endoscopic UltraSonography |
| EVL | Environmental Visualization Laboratory |
| EWLA | Eurogroup for Wildlife and Laboratory Animals |
| EWTL | Environmental Wind Tunnel Laboratory |
| F | Fat |
| F | Fluorine |
| F. | Farenheit |
| FA | Fat Adjuster |
| FA | Fluorescent Antibody |
| FAA | Fasta Amino Acid |
| FACS | Fluorescence Activated Cell Sorting |
| FAI | Free Androgen Index |
| FAME | Fractional Flow Reserve versus Angiography for Multivessel Evaluation (trial) |