| av | air velocity; average; avulsion |
|---|---|
| AVI | air velocity index; Association of Veterinary Inspectors |
| CA | anterior commissure [Lat. commissura anterior]; calcium antagonist; California [rabbit]; cancer; Can... |
| CAA | carotid audiofrequency analysis; cerebral amyloid angiopathy; circulating anodic antigen; Clean Air ... |
| CAB | captive air bubble; cellulose acetate butyrate; coronary artery bypass |