小眼，眼小：一眼或双眼过小，而眼无其他异常；单纯的小眼- Bossi's dilator
- Bostock's catarrh (disease)
- Boston's sign
- bot
- Botallo's duct, foramen, ligament
- botanic
- botany
- botfly
- bothridium
- bothriocephaliasis
- Bothriocephalus
- bothrium
- bothropik
- Bothrops
- botogenin
- botryoid
- botryomycoma
- botryomycosis
- botryomycotic
- botryotherapy
- botrytimycosis
- Botrytis
- bots
- bottle
- botuliform