| FRC | Federal Radiation Council; frozen red cells; functional reserve capacity; functional residual capaci... |
|---|---|
| FS | factor of safety; Fanconi syndrome; Felty syndrome; fibromyalgia syndrome; field stimulation; Fisher... |
| FTM | fluid thioglycolate medium; fractional test meal |
| FTR | fractional tubular reabsorption |
| FU | fecal urobilinogen; fetal urobilinogen; fluorouracil; follow-up; flux unit [ion]; fractional urinaly... |