| TRH | tension-reducing hypothesis; thyrotropin-releasing hormone |
|---|---|
| TRS | testicular regression syndrome; total reducing sugars; tubuloreticular structure |
| TRU | task-related unit; turbidity-reducing unit |
| CEEA | curved end-to-end anastomosis [stapler] |
| EDCS | end-diastolic chamber stiffness; end-diastolic circumferential stress |