| TRS | testicular regression syndrome; total reducing sugars; tubuloreticular structure |
|---|---|
| TRU | task-related unit; turbidity-reducing unit |
| ECG | Electro-Cardio-Graphy(-Gram); 심전도 = EKG 1. Conducting System Structu... |
| AVA | activity vector analysis; antiviral antibody; aortic valve area; aortic valve atresia; arteriovenous... |
| AVO | aortic valve opening; aortic valve orifice; atrioventricular opening |