| BPE | bacterial phosphatidylethanolamine |
|---|---|
| BPI | bacterial permeability-increasing [protein]; Basic Personality Inventory; beef-pork insulin; blood p... |
| BV | bacitracin V; bacterial vaginosis; biological value; blood vessel; blood volume; bronchovesicular |
| F- | a bacterial cell lacking an F plasmid |
| F+ | a bacterial cell having an F plasmid |