| ACA | adenocarcinoma |
|---|---|
| AcAc | Acetoacetate |
| ACAID | Anterior Chamber Associated Immune Deviation |
| ACAs | Anticardiolipin antibodies |
| ACAS | Asymptomatic Carotid Atherosclerosis Study |
| ACAT | A : cholesterol acyl transferase |
| ACAT | Acyl CoA: Cholesterol-O-acyltransferase |