| ACAT | acetocoenzyme A acetyltransferase; automated computerized axial tomography |
|---|---|
| ACTA | American Cardiology Technologists Association; automatic computerized transverse axial [scanning] |
| AL | absolute latency; acinar lumen; acute leukemia; adaptation level; albumin; alcoholism [and other dru... |
| ax | axillary; axis, axial |
| CAAT | computer-assisted axial tomography |