| BU | base of prism up; Bethesda unit; blood urea; Bodansky unit; bromouracil; burn unit |
|---|---|
| CB | Bachelor of Surgery [Lat. Chirurgiae Baccalaureus]; calcium blocker; carbenicillin; carotid body; ch... |
| DB | data base; date of birth; deep breath; dense body; dextran blue; diabetes, diabetic; diagonal band; ... |
| DBIOC | data base input/output control |
| DBM | data base management; dibromomannitol; dobutamine |