| RAS | 1) Reticular Activating(Activation) System 2) Renal Artery Stenosis |
|---|---|
| AAAE | amino acid activating enzyme |
| ANAS | anastomosis; auditory nerve activating substance |
| ARAS | ascending reticular activating system |
| ATF | activating transcription factor; anterior talofibular [ligament]; ascites tumor fluid |