| TDSD | transient digestive system disorder |
|---|---|
| TEC | total electron count; total eosinophil count; total exchange capacity; transient erythroblastopenia ... |
| TGA | taurocholate gelatin agar; thyroglobulin activity; total glycoalkaloids; total gonadotropin activity... |
| THI | transient hypogammaglobulinemia of infancy |
| TIA | transient ischemic attack; tumor-induced angiogenesis; turbidimetric immunoassay |