There are multiple definitions:

1. trans-tibial(English)

   • Musculoskeletal system, Knee

2. tetanus toxoid(English)

   • DT, BBB, CRM197, IgG, MPLA, SF2a
   • Toxicology, Vaccination
   • https://doi.org…onjchem.5b00085
   • https://doi.org…mu.2023.1291664

3. Tako-Tsubo(English)

   • also as TTS
   • MI, TTS
   • Cardiology

4. tissue tracking(English)

   • Echography/ultrasound

5. transverse tubule(English)

   • AT
   • Physiology

6. thrombin time(English)

   • measures fibrin formation caused by the action of thrombin - the last step in the coagulation cascade. Unfractionated heparin causes a considerable prolongation of TT, but is not routinely used for therapy monitoring. It may be used for qualitative assessment of the unfractionated heparin presence in blood or when blood sample contamination with heparin is suspected, i.e., when blood is drawn from a central line
   • DTT
   • Thrombocyte /thrombosis, Clinical chemistry
   • https://doi.org…acc.2019.01.005

7. therapeutic touch(English)

   • is more effective in decreasing pain and fatigue of cancer patients undergoing chemotherapy than the usual care
   • Chemotherapy, Pain, Therapeutic approaches
   • https://doi.org…093/ecam/nen006

8. tube thoracostomy(English)

   • is a lifesaving procedure for a variety of thoracic pathologies. The most commonly utilized method for placement involves open dissection and blind insertion
   • TTVT
   • Surgery
   • https://doi.org…ury.2017.02.008
   • https://doi.org…000000000001098

9. transfusion-transmitted(English)

   • HBV, JRC, NAT, OBI, WP
   • Transmissible disease, Virology
   • https://doi.org…95.2012.03909.x

10. total time(English)

    • FP, SHT, SW, TTFP, TTR
    • Physiology, Musculoskeletal system
    • https://doi.org…hys.2022.874632

11. transtibial [drilling](English)

    • ACL, ACLR, DB, IKDC, SB, AM, HTT
    • Surgery, Knee, Sports medicine
    • https://doi.org…hro.2016.03.008
    • https://doi.org…363546520956645

12. transtubercle(English)

    • refers to ratio of wedge thickness to degrees of correction for supratubercle versus transtubercle osteotomies for anterior closing wedge osteotomies
    • ACL, ACLR, CT, PTS, ST
    • Orthopedics, Ratio-based metric
    • https://doi.org…635465211044136

13. tibial tuberosity(English)

    • the malaligned knee can alter its kinematics. Lateralization elevates lateral contact pressures, increases lateral patellar tracking and reduces patellar stability
    • MPFL, PCL, ROM, TF, TTO
    • Knee, Injury
    • https://doi.org…71310-8.00028-1

14. thiotepa(English)

    • N,N′N′-triethylenethiophosphoramide, an alkylating agent with antineoplastic activity, immunosuppressive effects and ability to penetrate the blood-brain barrier. Refers to allogeneic hematopoietic cell transplantation
    • ADA2, aGVHD, AIHA, BK, BM, cGVHD, CMV, EBV, GF, GVHD, HHV, HSCT, ITP, MMUD, MSD, MTX, MUD, PB, PRCA, RIC, VZV
    • Hematology, Stem cell
    • https://doi.org…-2017-07-798660
    • https://doi.org…1409-020-0986-2

15. tendinous tissue(English)

    • earlier elongation is associated with reduced muscle soreness after eccentric cycling
    • ECC1, ECC2, EMG, MVC, VL
    • Myocyte / muscle, Exercise & Training
    • https://doi.org…000000000000473

16. time trial(English)

    • CHO, GI, HGI, LGI, TTE
    • Diet, Metabolism, Exercise & Training
    • https://doi.org…0279-016-0632-8

17. testosterone(English)

    • testosterone replacement therapy can increase circulating endothelial progenitor cell number in men with late onset hypogonadism. Also denoted as "T"
    • EPC, TRT, FT, DHT, DHT/T, ADT, CCL21, CVD, CVE, GnRH, FSH, LDLR, MI, MINS, PCa
    • Hormone, Andrology, Endocrinology
    • https://doi.org…27.2013.00086.x
    • https://doi.org….2022.2021-9-19
    • https://doi.org…bts.2023.10.010

18. targeted therapy(English)

    • BRAF, ICI, MEK
    • Therapeutic approaches
    • https://doi.org…967-023-04391-1

19. Talk Test [stage](English)

    • a reliable and low-cost test, but its use for aerobic exercise prescription is still limited
    • 6MWT, CPET, HR
    • Rehabilitation, Exercise & Training
    • https://doi.org…60/abc.20230086

20. total titin(English)

    • Ankrd1, CaMKIIδ, Capn, CARP, DCM, ECM, GATA-4, N2B, N2BA, PEVK, PKCα, PLN, SERCA2a, TTN
    • Myocyte / muscle, Physiology
    • https://doi.org…LURE.124.012083

21. toe-touch [test](English)

    • BS, BS-SR, SR, SR-TT, SR-VSR, USR, VSR
    • Sports medicine, Spine (or spinal cord)
    • https://doi.org…ams.2006.10.003