| BOR | basal optic root; before time of operation; bowels open regularly; branchio-oto-renal [syndrome] |
|---|---|
| BPO | basal pepsin output; benzyl penicilloyl |
| BSR | basal skin resistance; blood sedimentation rate; bowel sounds regular; brain stimulation reinforceme... |
| BTC | basal temperature chart; body temperature chart |
| FBL | follicular basal lamina |