There are multiple definitions:

1. phencyclidine(English)

   • LSD, NAM, NMDAR, ORT, PAM, CDPPB
   • Brain (dys)function
   • https://doi.org…/mol.112.083949

2. Pneumocystis carinii pneumonia(English)

   • Pulmonology

3. planar cell polarity(English)

   • ligands are sufficient to trigger human beta cell maturation
   • FLTP
   • Pancreas, Diabetes, Insulin
   • https://doi.org…0125-016-3949-9

4. pentachlorophenol(English)

5. proximal common pathway(English)

   • reentrant circuit
   • DCP
   • Electrophysiology

6. procollagen type I carboxy-terminal proteinase(English)

   • PCPE

7. primary care physician(English)

   • ACO, HIT, MDT
   • Family physician
   • https://doi.org…55/2022/7149467
   • https://doi.org…087054718756198

8. parallel coordinates plot(English)

   • Statistics
   • https://en.wiki…lel_coordinates

9. Poincaré plot(English)

   • AFE, CGM, CONGA, CSII, GV, SFE, MCP
   • Diabetes
   • https://doi.org…9/dia.2013.0241

10. probabilistically checkable proof(English)

    • theorems and proofs are treated as polynomials
    • Paradigm or theory, Model(ing), Statistics
    • https://doi.org…science.1086262

11. posterior clinoid process(English)

    • ACA, AChA, ATA, CM, CN, COT, CS, ECA, ICA, MCA, OTT, OZ, PIA, RAG, SAH, SBS, SCA, SCIT, STA, SVG
    • Brain (dys)function, Anatomy
    • https://doi.org…018.2.JNS173141

12. personal care product(English)

    • MIT, PCMX
    • Home care
    • https://doi.org…598-022-22981-9

13. periodontally compromised patient(English)

    • BL, mBL, PC, PH, PHP
    • Skeleton and bone (formation), Dentistry
    • https://doi.org…01.2010.01945.x