| RTD | renal tubular defect; routine test dilution |
|---|---|
| RTN | renal tubular necrosis |
| TBM | total body mass; tracheobronchiomegaly; trophoblastic basement membrane; tuberculous meningitis; tub... |
| TF | free thyroxine; tactile fremitus; tail flick [reflex]; temperature factor; testicular feminization; ... |
| TFP | tubular fluid plasma |