缺指(趾)〔畸形〕：同ectrodactyly- Braid's strabismus
- Brailey's operation
- braille
- brain
- Brain's reflex
- brain stem
- brake
- bran
- branch
- branched-chain 2-keto acid dehydrogenase
- branched-chain aminoacid transaminas
- branched-chain α-keto acid decarboxylase
- brancher deficiency
- brancher enzyme, branching enzyme
- branchia
- branchial
- branching enzyme
- branchiogenic
- branchiogenous
- branchioma
- branchiomere
- branchiomeric
- branchiomerism
- Branchiostoma
- brandy