| t | Greek lower case letter tau; life [of radioisotope]; relaxation time; shear stress; spectral transmi... |
|---|---|
| TMNST | tethered median nerve stress test |
| TPST | true positive stress test |
| TST | thiosulfate sulfur-transferase; thromboplastin screening test; total sleep time; transforming sequen... |
| USI | universal serial interface; urinary stress incontinence |