There are multiple definitions:

1. target of rapamycin(English)

   • mTOR is mammalian type
   • TOS, mTOR

2. termination of resuscitation(English)

   • DNR, ROLE
   • Emergency medicine, Decision making, Ethics

3. thermal optical reflectance(English)

   • Optics and vision

4. transobturator route(English)

   • refers to sling operation for stress urinary incontinence in women
   • MUI, MUS, SUI, USI, RPR
   • Urology, Woman /female, Surgery
   • https://doi.org…8.CD006375.pub3