| Tp | primary transmission; Treponema pallidum; tryptophan |
|---|---|
| TPG | transmembrane potential gradient; transplacental gradient; tryptophan peptone glucose [broth] |
| TPH | transplacental hemorrhage; tryptophan hydroxylase |
| TPO | thyroid peroxidase; tryptophan peroxidase |
| Trp | tryptophan |