棘头门，棘头纲：动物寄生虫的一个门，虫头有棘，因其吻向前突起，以其披覆的刺状下弯的棘刺附着于宿主的消化道，故名。在某些分类系统中它们为线形动物门(Nemathelminthes)的一纲- Bellocq's cannula (sound,tube)
- Bell's law,nerve,palsy (paralysis),pheno-menon
- Bell's mania
- Bell's muscle
- Bell's treatment
- belly
- Belonephobia
- belonoid
- belonoskiascopy
- beloxamide
- belt
- bemegride
- bemidone
- Benacerraf
- benactyzine hydrochloride
- Benadryl
- benapryzine hydrochloride
- Bence Jones protein
- bend
- bendazac
- bendrofluazide
- bendroflumethiazide
- bends
- Bendylate
- bene