| AVCx | atrioventricular circumflex branch |
|---|---|
| BB | bad breath; bed bath; beta blockade, beta blocker; BioBreeding [rat]; blanket bath; blood bank; bloo... |
| BBB | blood-brain barrier; blood buffer base; bundle-branch block |
| BBBB | bilateral bundle-branch block |
| BEB | Biomedical Engineering Branch [of US Army] |