担子果：产生担子菌的大果体，蕈，含大量缠结的菌丝成分，此系大多数担子菌之特点- F.R.C.S
- F.R.C.S.(C.)
- F.R.C.S.E.
- F.R.C.S.(Glasg.)
- F.R.C.S.I.
- F.R.C.V.S.
- FreAmine II
- freckle
- Fredet-Ramstedt operation(Pierre Fredet)
- freemartin
- freeze-cleaving
- freeze-drying
- freeze-etching
- freeze-fracturing
- freeze-substitution
- Freiberg's infraction
- Frei's antigen,bubo,disease,test
- fremitus
- frena
- frenal
- French
- frenectomy
- Frenkel's movements(treatment)
- frenoplasty
- frenosecretory