| FAA | Free amino acid |
|---|---|
| FAAH | Fatty acid amide hydrolase |
| FAAS | flame atomic absorption spectrometry |
| FAB | Fast Atom Bombardment |
| FAB | French American British |
| FAB MS | Fast Atom Bombardment Mass Spectroscopy |
| FAB-MS | Fast Atom Bombardment Mass Spectrometry |
| FABF | Forearm blood flow |
| FABP | Fatty acid binding protein |
| FABP2 | fatty acid binding protein 2 |