There are multiple definitions:

1. threshold limit value(English)

2. total lung volume(English)

   • fetal TLV = (0.52 · LV) + (0.33 · BD) − (0.06 · FL) − 13.7, with TLV and liver volume (LV) in mL and biparietal diameter (BD) and femoral length (FL) in cm
   • BD, FL, LV
   • Pulmonology, Pregnancy
   • https://doi.org…diol.2332031566

3. tidal liquid ventilation(English)

4. total liquid ventilation(English)

   • FOT, PLV, SDM

5. tweedelijnsverloskundige(Dutch)

   • Obstetrics

6. Tolvaptan(English)

   • a vasopressin type 2 receptor antagonist, used for the treatment of neonates and infants with capillary leak syndrome after cardiac surgery
   • BP, CLS, ICU
   • Neonatology, Surgery, Pharmacology / pharmaceutics
   • https://doi.org…2887-019-1418-6

7. total liver volume(English)

   • aFLR, FLR, RLV, sFLR, SLV, TFLV
   • Liver disease, Surgery
   • https://dx.doi.….1111/hpb.12295