| BHIBA | brain-heart infusion blood agar |
|---|---|
| BHIRS | brain-heart infusion and rabbit serum |
| BI | background interval; bacterial or bactericidal index; base-in [prism]; basilar impression; Billroth ... |
| BIS | bone cement implantation syndrome; Brain Information Service; building illness syndrome |
| bNOS | brain nitric oxide synthase |