真蚋属：蚋科(Simuliidae)的一属，其中有些是盘旋尾丝虫(Onchocerca volvulus)的常见宿主，而盘旋尾丝虫是寄生于人体的一种丝虫- forearm
- forebrain
- foreconscious
- forefinger
- forefoot
- foregilding
- foregut
- forehead
- foreign
- forekidney
- Forel's commissure,decussation,field (areas)
- forensic
- foreplay
- fore-pleasure
- foreskin
- Forestier's disease
- foretop
- forewaters
- Forhistal
- fork
- form
- Formad's kidney
- formaldehyde
- formaldehyde dehydrogenase
- formaldehydogenic