| VPI | vapor phase inhibitor; velopharyngeal insufficiency |
|---|---|
| VPO | velopharyngeal opening; vertical pendular oscillation |
| AACG | acute angle closure glaucoma |
| ACC | accommodation; acetyl coenzyme A carboxylase; acinic cell carcinoma; acute care center; adenoid cyst... |
| ACCL, Accl | anodal closure clonus |