There are multiple definitions:

1. expressed prostatic secretion(English)

   • Prostate

2. extrapyramidal syndrome(English)

   • various movement disorders such as acute dystonic reactions, pseudoparkinsonism, or akathisia
   • COEPS
   • Neuropathy, Musculoskeletal system

3. electrophysiologic study(English)

   • PES
   • Electrophysiology

4. Encapsulated PostScript(English)

   • pdf

5. extrapyramidal side effect(English)

   • Neuropathy

6. epigastric pain syndrome(English)

   • a type of functional dyspepsia (FD), besides PDS
   • FD, PDS
   • Pain, Mouth, esophagus and stomach
   • https://doi.org…cgh.2020.06.043

7. expandable pedicle screw(English)

   • CPS, CICPS, OPS, PMMA, PPS
   • Spine (or spinal cord), Surgery
   • https://doi.org…jss.2010.09.009

8. expanded polystyrene(English)

   • see e.g. foam bicycle helmet
   • CFI, EP, HIC, IBN, TBI
   • Materials science, Preventive medicine
   • https://doi.org….1115/1.4064475