| STD | selective T-cell defect; sexually transmitted disease; skin-to-tumor distance; skin test dose; sodiu... |
|---|---|
| TCID | tissue culture infective dose; tissue culture inoculated dose |
| TCID50 | median tissue culture infective dose; 50% tissue culture infective dose |
| TDI | temperature difference integration; three-dimensional interlocking [hip]; toluene 2,4-diisocyanate; ... |
| TID | time interval difference [imaging]; titrated initial dose |
| fading time | The time required for a constant stimulus applied to a fixed area of the peripheral visual field to stop. (05 Mar 2000) |
|---|---|
| zero time-binding DNA | DNA that has become the duplex form at the start of a reassociation process. Acronym: DNA (05 Mar 2000) |
| utilization time | The minimum duration of a stimulus of rheobasic strength that is just sufficient to produce excitation. Synonym: temps utile. (05 Mar 2000) |
| forced expiratory time | The time taken to expire a given volume or a given fraction of vital capacity during measurement of forced vital capacity; subscripts specify the exact parameters measured. (05 Mar 2000) |
| left ventricular ejection time | The time measured clinically from onset to incisural notch of the carotid or other pulse; properly the time of ejection of blood from the left ventricle beginning with aortic valve opening and ending with aortic valve closure. (05 Mar 2000) |