There are multiple definitions:

1. saturated fatty acid(English)

   • BCFA, FFA, MUFA, PUFA
   • Clinical chemistry

2. self-focussed attention(English)

   • BDD, TCT
   • Psychology

3. superficial femoral artery(English)

   • DCBA, ISR
   • Anatomy, Vessel properties

4. Swedish interactive thresholding algorithm Fast(English)

   • a perimetric strategy
   • PSD, PTS, SFR, SITA, VFI
   • Ophthalmology
   • https://doi.org…55/2022/5675793

5. spindle frequency activity(English)

   • DMH, EEG, LC, REM, ROL, SCN, SOL, TMN, vSPZ
   • Endocrinology, Sleep medicine, Circadian rhythm, Hormone
   • https://doi.org…155/2010/259345

6. subcutaneous fat area(English)

   • body composition change indices combined with prognostic nutritional index predicts the clinical outcomes of patients with gastric cancer treated with immune checkpoint inhibitor
   • ICI, GC, PNI, SMI
   • Nutrition, Prognosis, Gastroenterology, Oncology
   • https://doi.org….1002/cam4.7110

7. shark fin antenna(English)

   • designed to capture signals from multiple directions, including those from cellular, GPS, and satellite radio signals
   • GPS
   • Communication
   • https://doi.org…01.2019.9017479