| TLC | tender loving care; thin-layer chromatography; total L-chain concentration; total lung capacity; tot... |
|---|---|
| TNTC | too numerous to count |
| TRC | tanned red cell; therapeutic residential center; total renin concentration; total respiratory conduc... |
| TWBC | total white blood cells; total white blood count |
| TWD | total white and differential [cell count] |