There are multiple definitions:

1. serologic test for syphilis(English)

   • Genitals, Microbiology, Clinical chemistry

2. sequence tagged site(English)

   • EST, ISBP, SSR

3. suprachoroidal transretinal stimulation(English)

   • Ophthalmology, Electrophysiology

4. Society of Thoracic Surgeons(English)

   • see risk score e.g., for TAVI
   • TMViV, TMViMAC, TMViR
   • Surgery, Organizations (clinical), Scoring systems/scales, Cardiology
   • http://riskcalc…kcalc/calculate
   • https://www.sts.org/
   • https://doi.org…000000000001294

5. short-term survivor(English)

   • LTS
   • Prognosis

6. sit to stand [test](English)

   • muscle power test that is a valid, and a more clinically relevant tool to assess functional trajectory in older people. Skeletal muscle power has been demonstrated to be a stronger predictor of functional limitations than any other physical capability
   • FIST, FSST, MS, SMI, HRQoL, CP, DFEO, FTSST, PTA, TKA
   • Disability, Musculoskeletal system, Aging, Stress (test), Gait/walking
   • https://doi.org…ger.2018.08.006
   • https://doi.org…ost.2017.09.018

7. soft-tissue sarcoma(English)

   • FDG, MTV, TLG
   • Oncology, Medical imaging, Metabolism
   • https://doi.org…0259-013-2511-y

8. superior temporal sulcus(English)

   • single-unit recordings from this area have demonstrated neurons that respond selectively to faces
   • FFA, fMRI, fSTS
   • Electrophysiology, Brain (dys)function
   • https://doi.org…7-11-04302.1997
   • https://doi.org…/rstb.2006.1934

9. split-thickness skin [graft](English)

   • for cervicovaginal reconstruction of congenital vaginal and cervical aplasia
   • Congenital disorders, Ovary and uterus, Transplantation, Menstruation
   • https://doi.org…3/humrep/dew230

10. soft tissue status(English)

    • guides the timing for definitive surgical treatment strategies of fracture fixation around the ankle joint
    • Surgery, Guidelines, Injury
    • https://doi.org…al.pone.0268359

11. secondary traumatic stress(English)

    • teacher occupational wellbeing, particularly compassion satisfaction, plays a role in buy-in to TIC and retention among teachers
    • TIC
    • Occupational disease, Post-traumatic state
    • https://doi.org…abu.2020.104437

12. Size, (transmission) Time and Sex(English)

    • triad that determines benefit in CRT, where size refers to left ventricular end-systolic volume
    • CRT, LBBB, APWD, LV, ESV
    • Cardiology, Electrophysiology, Woman /female

13. single transphyseal screw(English)

    • refers to bridging techniques for treatment of angular limb deformities of the distal radius
    • S&W
    • Skeleton and bone (formation), Surgery, Veterinary medicine
    • https://doi.org…06.2011.00470.x

14. sodium tetradecyl sulfate(English)

    • foam used for portal vein embolization
    • FLR, PVE
    • Liver disease, Surgery
    • https://doi.org…vir.2014.01.034

15. sub-task segmentation(English)

    • FS, MTL, TPD
    • Shoulder and other joints, Biophysics
    • https://doi.org…7.2023.10341137

16. sulcus-to-sulcus(English)

    • may refer to toric intraocular lens implantation in cataract cases with long axial length
    • ACD, ACV, IOL
    • Ophthalmology, Surgery
    • https://doi.org…886-020-01465-2

17. staurosporine(English)

    • an apoptosis inducer
    • ESCC, FADD, 5-FU, GEO, GLUL, HCC, HMGB1, HNSCC, HSP90, ICD, ICE, IFN, IL, KD, KIRC, KO, LRR, LRRK, MDSC, MLKL, NK, NKT, NLR, NOD, NPC, OS, OSCC, PARP, PDA, PFS, PGAM5, PGE2, PKC, PKK, PRR, RICK, RIP, RIP1, RIPK, RHIM, ROS, Roc, SgK288, SNP, Sp1, TCGA, TAM, TLR, TME, TNBC, TNF, TNFR, TRAIL, TRADD, TRAF, TRIF, TSCC, Ub, UHRF1, WT, Zbp1, AML, 5-aza-dC, CARD, CARDIAK, CD95L, cIAP, CLL, COR, CRC, CYLD, DAI, DIK, DR, EMT
    • Apoptosis
    • https://doi.org…967-024-05627-4
    • https://doi.org…dis.2021.10.007