| AFV | amniotic fluid volume; aortic flow velocity |
|---|---|
| ATF | activating transcription factor; anterior talofibular [ligament]; ascites tumor fluid |
| BALF | broncho-alveolar lavage fluid |
| BALT | broncho-alveolar lavage fluid; bronchus-associated lymphoid tissue |
| BCB | blood-cerebrospinal fluid barrier; brilliant cresyl blue |