| BSL | benign symmetric lipomatosis; blood sugar level |
|---|---|
| MBL | Marine Biological Laboratory; menstrual blood loss; minimum bactericidal level |
| BAC | bacterial adherent colony; bacterial antigen complex; blood alcohol concentration; British Associati... |
| BEC | bacterial endocarditis; behavioral emergency committee; blood ethyl alcohol; bromo-ergocryptine |
| BBB | 1) Bundle Branch Block 2) Blood Brain Barrier - Blood Brain Barrier |