巨球菌属：韦荣氏球菌科(Veillonellaceae)的一属细菌，见于牛羊的第一胃和人粪中，为革兰氏阴性厌氧球菌；典型种为M.elsdenii- fluidram
- fluke
- flumazeni
- flumen
- flumequine
- flumethasone pivalate
- flumethiazide
- flumina
- flumina pilorum
- flumizole
- flumoxonide
- flunarizine hydrochloride
- flunidazole
- flunisolide
- flunitrazepam
- flunixin
- fluocinolone acetonide
- fluocinonide
- fluocortin butyl
- Fluonid
- fluor
- fluorane
- fluorescein
- fluoresceinuria
- fluorescence