| FFT | fast Fourier transform; flicker fusion test or threshold |
|---|---|
| FIT | fluorescein isothiocyanate; fusion inferred threshold |
| FTC | Federal Trade Commission; follicular thyroid carcinoma; frequency threshold curve; frequency tuning ... |
| FTH | ferritin heavy chain; fracture threshold |
| HT | Hashimoto thyroiditis; hearing test; hearing threshold; heart; heart transplantation, heart transpla... |