瓶形螺亚属：泡螺属 (Bulinus)的一个亚属，其中数种为埃及血吸虫和其他动物血吸虫的中间宿主- flufenisal
- fluid
- fluidextract
- fluidextractum
- fluidism
- fluidounce
- fluidrachm
- fluidram
- fluke
- flumazeni
- flumen
- flumequine
- flumethasone pivalate
- flumethiazide
- flumina
- flumina pilorum
- flumizole
- flumoxonide
- flunarizine hydrochloride
- flunidazole
- flunisolide
- flunitrazepam
- flunixin
- fluocinolone acetonide
- fluocinonide