| TTPA | triethylene thiophosphoramide |
|---|---|
| TTR | transthoracic resistance; transthyretin; triceps tendon reflex |
| TTS | tarsal tunnel syndrome; temporary threshold shift; through the scope; through the skin; tilt table standing; transdermal therapeutic system; twin transfusion syndrome |
| TTT | Thymol Turbidity Test |
| TTT | thymol turbidity test; tolbutamide tolerance test; total twitch time; tuberculin tine test |
| TTTT | test tube turbidity test |
| TTV | tracheal transport velocity; transfusion-transmitted virus |
| TTX | tetrodotoxin |
| TTE | Transthoracic |
|---|---|
| TTE | Transthoracic echocardiography |
| TTF | thyroid transcription factor |
| TTF | to treatment failure |
| TTF-1 | Thyroid Transcription Factor-1 |
| TTFA | 2-thenoyl trifluoroacetone |
| tTG | tissue tranglutaminase |
| TTGE | Temporal Temperature Gradient Gel Electrophoresis |
| TTH | Tension-type headache |
| TTH | Thyrotropic hormone |