There are multiple definitions:

1. phosphate buffer(English)

   • PBS
   • Biochemistry

2. pelvic band(English)

3. parabrachial nucleus(English)

   • HFS, LFS, PBN
   • Neurons

4. petabyte(English)

   • Computing (biomedical), Memory

5. peripheral blood(English)

   • BR, CLL, EOCT, MRD, OS, PFS, uMRD
   • Hematology
   • https://doi.org…00/JCO.18.01580
   • https://doi.org…00/JCO.20.00948

6. pyridostigmine bromide(English)

   • supposed to protect against a gas attack
   • Toxicology

7. periodic breathing(English)

   • EOV, LVSD, SHF
   • Respiratory system

8. plaque burden(English)

   • defined as plaque and-media cross-sectional area divided by external-elastic-membrane cross-sectional area
   • CL, NCL, TCFA, ESS, ACS, CAD, DS, MLA, MLD, PIT, PR, QCA, STEMI, ThCFA, VH, IVUS
   • Coronary circulation, Cardiology, Vessel properties, Atherosclerosis /atherogenic
   • https://doi.org…cmg.2012.02.003
   • https://doi.org…6/NEJMoa1002358
   • https://doi.org…18833-0.00008-4

9. perceived burdensomeness(English)

   • CS, IPTS, MST, TB, TBS
   • Psychology, Mental health, Resilience
   • https://doi.org…1111/sltb.12727

10. phenobarbital(English)

    • prolongs inhibitory postsynaptic potentials by increasing the mean chloride-channel opening time and hence the duration of GABA-induced bursts of neuronal activity. Being a barbiturate, it can be associated with physical dependence, and withdrawal can produce a variety of abstinence symptoms and provoke seizures
    • GABA
    • Anesthesiology/analgesia
    • https://doi.org…7192(04)80010-X

11. Psammoma body(English)

    • well-defined microscopic, extracellular calcium phosphate spherule with concentric laminations usually associated with ovarian papillary serous carcinomas and less often in borderline and benign ovarian serous neoplasms, dysplasia, low-grade serous tumors of peritoneum, nonneoplastic serous epithelial proliferations, peritoneal serous endosalpingiosis, and in retroperitoneal nodes related to sloughed cells
    • Oncology, Ovary and uterus, Thyroid and parathyroid
    • https://doi.org…53642-9/50027-2

12. plastic bronchitis(English)

    • as complication of primary nephrotic syndrome in children
    • CRP, FOB, NS, PCT, PNS
    • Pulmonology
    • https://doi.org…055/a-1288-3670

13. protein body(English)

    • suitable for delivery of transgenic rice seeds to the mucosal immune system in gut-associated lymphoid tissue when orally administered
    • GALT, PD
    • Allergy, Immunology
    • https://doi.org….1111/pbi.12007

14. parental burnout(English)

    • EST, QATSDD
    • Stress (test), Statistics, Public Health
    • https://doi.org…889-024-17829-y

15. paucibacillary(English)

    • MB, CLD, NCDR
    • Bacteriology, Tropical medicine
    • https://doi.org…155/2013/329283