划界叩诊板：使用者能用以划出某个区域界限的一种叩诊板- bradypnea
- bradypragia
- Bradyrhizobium
- bradyrhythmia
- bradyspermatism
- bradysphygmia
- bradystalsis
- bradytachycardia
- bradyteleocinesia
- bradyteleokinesis
- bradytocia
- bradytrophia
- bradytrophic
- bradyuria
- bradyzoite
- braidism
- Braid's strabismus
- Brailey's operation
- braille
- brain
- Brain's reflex
- brain stem
- brake
- bran
- branch