There are multiple definitions:

1. thymidine kinase(English)

2. through knee(English)

   • Knee

3. Taijin Kyofusho(English)

   • refers to a cultural-bound syndrome
   • SocAD

4. titin kinase(English)

   • with isoforms N2A, N2B, N2BA

5. thoracic kyphosis(English)

   • refers to adult spinal deformity
   • ALIF, AIS, ASA, ASD, BMI, CCI, CO, CoCr, DRAM, EBL, HMH, HRQoL, LIF, LL, LMH, LOS, MCID, MCS, MRC, NRS, ODI, PCS, PI, PI-LL, PJK, PSF, PT, SF-36, SRS-22r, SVA, TLIF, TRC, UIV, VAS
   • Spine (or spinal cord), Skeleton and bone (formation), Pathology
   • https://doi.org…6.8.SPINE151543
   • https://doi.org…20.5.FOCUS20192
   • https://doi.org…6.5.SPINE151428

6. tissue kallikrein(English)

   • HR, LVP, mRNA, PVR
   • Hypertension, Cardiology, Hemodynamics
   • https://doi.org…021747.43346.95