| OFC | Occipito-Frontal Circumstance; 두위 = Head Circumstance |
|---|---|
| FC | fasciculus cuneatus; fast component [of a neuron]; febrile convulsions; feline conjunctivitis; ferri... |
| FCx | frontal cortex |
| FH/BC | frontal horn/bicaudate [ratio] |
| FIRDA | frontal, intermittent delta activity |