| TTLD | terminal transverse limb defect |
|---|---|
| XTE | xeroderma, talipes, and enamel defect [syndrome] |
| AV | 1) Azygo(u)s Vein(AV)(= Vena Azygo(u)s); 기정맥(奇靜脈) 1) Atrio-Ventricular |
| AV node | Atrio-Ventricular node; 방실 결절 0.1 sec Delay |
| AVN | 1) Atrio-Ventricular Node 2) AVascular Necrosis |