(770 abbreviations)

2PD, two point discrimination.

6-PGD, 6-phosphogluconate dehydrogenase.

P&A, percussion and auscultation

P&S, permanent and stationary

P(a-ET)CO2, arterial-end tidal PCO2 difference (should be less than 7 mmHg).

p(with line over it), after, post.

p, pathological.

P, periarteriolar lymphocyte sheath (about spleen).

P, phosphorus, pressure, pulse, para.

P, product.

P, proline.

p.r.n., pro re nata (as needed).

P:, plan.

P02, pressure of oxygen

p24, viral protein specific to HIV virus.

p53, a tumor suppressor gene.

PA(S)P, pulmonary artery (systolic) pressure.

PA, pernicious anemia.

PA, phagocytic activity.

PA, physician assistant.

PA, polyactive.

PA, posteroanterior (view in X-rays).

PA, pulmonary artery.

PAB, PBS/bovine serum albumin/azide buffer.

PAC, porous apatite ceramics.

PAC, premature atrial contraction.

PACAP, Pituitary adenylate-cyclase-activating polypeptide.

PaCO2 (kPa), carbon dioxyde partial pressure in arterial blood.

PaCO2, partial pressure of carbon dioxide in arterial blood.

PACU, post anesthesia care unit.

PAD, palmar adductors.

PAD, peripheral arterial disease.

PAD, peripheral arteriosclerotic disease.

PAD, preliminary anatomic diagnosis.

PADP, pulmonary artery diastolic pressure.

PAEDP, pulmonary artery end-diastolic pressure (normal range 4-13 mmHg).

PAF, platelet-activating factor.

PAH, polycyclic aromatic hydrocarbon.

PAHO, Pan American Health Organization.

PAI, physical activity index.

PAL, posterior axillary line.

PALS, pediatric advanced life support (training course).

PALS, periarteriolar lymphocyte sheath.

PAM, Potential Acuity Meter.

PAN, polyarteritis nodosa.

p-ANCA, perinuclear antineutrophil cytoplasmic antibodies.

PAO, periarticular ossification.

PaO2, partial pressure of oxygen in arterial blood.

PAOD, peripheral arterial occlusive disease.

PAOP, pulmonary artery occluded pressure.

PAOP, pulmonary artery occlusive pressure (a.k.a.PCWP).

Pap, Papanicolaou smear.

PAP, peroxidase antiperoxidase.

PAP, prostatic acid phosphatase.

PAP, pulmonary artery pressure (normal mean 9-19 mmHg) .

para, number of pregnancies.

pares., paresthesias.

PARP, poly (ADP-ribose) polymerase.

PARQ, Parent-Adolescent Relationship Questionnaire.

PARQ, Parental Acceptance/Rejection Questionnaire.

PARQ, Physical Activity Readiness Questionnaire.

PARQ, physical activity recall questionnaire.

PAS, primosome assembly site.

PASG, pneumatic anti-shock garment.

PASI, psoriasis area and severity index (scoring of erythema, induration, scaling and involved area).

PAT, paroxysmal atrial tachycardia.

Path, pathology.

PB, phenobarbital.

PBB, polybrominated biphenyls (intoxication cause disorders of immune function).

PBC, primary biliary cirrhosis.

PBD, Pick body dementia.

PBI, protein bound iodine.

PBL, primary brain lymphoma.

PBL, problem-based learning.

PBMC, peripheral blood mononuclear cells.

PBN, phenyl-N-tert-butyl nitrone.

pBNP, porcine brain natriuretic peptide.

PBO, placebo.

PBOSRF, Palm Beach Orthopaedic and Spinal Research Foundation.

PBPC, peripheral blood progenitor cells.

PBPs, Penicillin-binding Proteins.

PBS, phosphate buffered saline.

PBS, postprandial bood sugar.

PBSC, peripheral blood stem cell.

PBT, persistent, bioaccumulative and toxic.

pc, after meals.

PC, personal computer.

PC, pheochromocytoma.

PC, phone call.

PC, plasma cells.

pc, post cenam, after meals.

PC, posterior cervical.

PC, present complaint.

PCA, patient controlled analgesia.

PCB, polychlorinated biphenyls, toxic used in manufacture of electrical transformers.

PCB, production cell bank.

PCBA, printed circuit board assembled.

PCC, primary cell culture.

PCCE, pseudostratified ciliated columnar epithelium.

PCD, percutaneous catheter drainage.

PCD, programmed cell death.

PCF, posterior cervical fusion.

PCG, pancreatico-cholangiography.

PCG, paracervical ganglion.

PCG, phonocardiogram.

PCG, preventive care group.

PCG, primate chorionic gonadotropin.

PCG, pubococcygeus.

PCH, paroxysmal cold hemoglobinuria.

PCI, parturition to conception interval.

PCI, percutaneous coronary intervention.

PCIOL, posterior chamber intraocular lens.

PCKD, all parameters rechecked.

PCKD, polycystic kidney disease.

PCL, posterior cruciate ligament.

PCL, primary cerebral lymphoma.

PCL, primary cutaneous lymphoma.

PCLI, bone marrow plasma cell labeling index.

PCN, penicillin.

PCNA, proliferating cell nuclear antigen.

PCNSL, primary central nervous system lymphoma.

PCO, polycystic ovaries.

PCO₂, partial pressure of carbon dioxide.

PCOD, polycystic ovarian disease.

PCP, phencyclidine.

PCP, Pneumocystis carinii pneumonia.

PCP, primary care physician.

PCR, polymerase chain reaction.

PCT, procalcitonin.

PCT, proximal convoluted tubule.

PCU, Policy Coordination Unit.

PCV, packed cell volume (hematocrit).

PCWP, pulmonary capillary wedge pressure; normal range: 5 to 12 mmHg.

PD, Paget disease.

PD, partial denture.

PD, per diem.

PD, perinatal death.

PD, peritoneal dialysis.

PD, presenile dementia (Alzheimer).

PD, progressive disease.

PD, pulmonary disease.

PD50, protective dose 50 %.

PDA, patent ductus arteriosus.

PDA, posterior descending artery.

PDAg, Pennsylvania Department of Agriculture.

PDAT, pre-senile dementia of Alzheimer type.

PDD, pervasive developmental delay.

PDE, phosphodiesterase.

PDGF, platelet derived growth factor.

PDH, pigment-dispersing hormone.

PDL, periodontal ligament.

PDLLA, poly D,L-lactic acid.

PDLL-D, diffuse poorly-differentiated lymphocytic lymphomas.

PDLL-N, nodular poorly-differentiated lymphocytic lymphomas.

PDMM, poorly differentiated malignant mesothelioma.

PDMS, polydimethylsiloxane.

PDOH, Pennsylvania Department of Health.

PDPC, poorly differentiated papillary carcinomas of papillary thyroid carcinomas.

PDQ, Parkinson's disease questionnaire.

PDQ, Physician's Data Query (CancerNet).

PDR, Physician's Desk Reference.

PDS, polydioxanone.

PDS, poly-p-dioxanone or polydioxanone suture (commercial synthetic absorbable suture).

PDS, Progressive Deterioration Scale.

PDT, photodynamic therapy.

PDTC, pyrrolidine dithiocarbamate.

PE tube, pressure equalization tubes.

PE, Edinburgh Pharmacopoeia.

PE, Norway's electrical inspection agency.

PE, pancreatic extract.

PE, paper electrophoresis.

PE, partial epilepsy.

PE, pelvic examination.

PE, penile erection.

PE, pericardial effusion.

PE, peritoneal exudate.

PE, personal edition.

PE, pharyngoesophageal.

PE, phase encoded.

PE, phenylephrine.

PE, phenylethylamine.

PE, phenytoin equivalent.

PE, phosphatidylethanolamine.

PE, photographic effect.

PE, phycoerythrin (fluorescent dye used in flow cytometry).

PE, physical education.

PE, physical engineering.

PE, physical examination.

PE, physical exercise.

PE, physician extender.

PE, physiological ecology.

PE, pigmented epithelium.

PE, pilocarpine epinephrine.

PE, placental extract.

PE, plant engineering.

PE, plasma exchange.

PE, plating efficiencies.

PE, platinum etoposide.

PE, pleural effusion.

PE, point of entry.

PE, polyethylene.

PE, post-exponential (growth).

PE, potential energy.

PE, powdered extract.

PE, preeclampsia.

PE, preexcitation.

PE, present evaluation.

PE, pressure equalization.

Pe, pressure on expiration.

PE, presumptive eligibility.

PE, prior to exposure.

PE, probable error.

PE, professional engineer.

PE, program evaluation.

PE, proportional error.

PE, pseudoexfoliation.

PE, Pseudomonas exotoxin.

PE, pulmonary edema.

PE, pulmonary embolus/embolism.

PE, pyrogenic exotoxin.

PEA, pelvic examination under anesthesia.

PEA, phenylethyl alcohol.

PEA, phenylethylamine.

PEA, polysaccharide egg antigen.

PEA, pulseless electrical activity (cardiac)

PEAC, Pharmaceutical Education Advisory Committee.

PEAP, positive end airway pressure.

PEAR, phase encoded artifact reduction.

PEARL Personnel Expertise and Resource Listing.

PEARL, pupils equal and reactive to light.

PEB, cisplatin, etoposide and bleomycin.

PEC, peritoneal exudate cells.

PEC, Petri Enteropathogen Count (plate).

PECAM-1, platelet endothelial cell adhesion molecule (CD-31).

Peds, Pediatrics.

PEEK, polyetheretherketone.

PEEP, positive end-expiratory pressure.

PEFR, peak expiratory flow rate.

PEG, percutaneous endoscopic gastrostomy.

PEG, pneumoencephalogram.

PEG-PE, poly(ethylene glycol)-modified phosphatidylethanolamine.

PEL, permissible exposure limit.

PEL, primary effusion lymphoma.

PEM, protein-energy malnutrition.

PEN, parenteral nutrition.

PEP A, peptidase A isozyme.

PEP B, peptidase B isozyme.

PEP C, peptidase C isozyme.

PEP D, peptidase D isozyme.

pep M24, pepsin extract of type-24 M protein.

PEP S, peptidase S isozyme.

PEP, phosphoenol-pyruvate.

PEP, postexposure prophylaxis.

PEP, primer-extension preamplification.

PEP/ET, preejection to ejection time.

PEPEC, pig enteropathogenic E.coli.

PEPP, Payment Error Prevention Program.

PER OS, by mouth

per, by.

per/os, by mouth.

PerCP, peridinin chlorophyll A protein (fluorescent dye used in flow cytometry).

Peri, around or about (e.g. perirenal = around the kidney).

Peri, perineal.

PERLA, pupils equal, reactive to light & accommodation.

PERRL, pupils equally round and reactive to light.

PERRLA, pupils equally round and reactive to light and accommodation.

PES, prenatal environmental stress.

PET, positron emission tomography.

PET, psychosocially enhanced treatment program.

PETE, polytetrafluoroethylene.

PF, Purkinje fibers.

PF4, platelet factor 4.

PFCx, prefrontal cortex.

PFFD, proximal femoral focal deficiency (virtual support group).

PFJ, patellofemoral joint.

PFO, patent foramen ovale.

PFOLA, Prescription Foot Orthotic Laboratory Association.

PFPS, patellofemoral pain syndrom.

PFS, progression free survival.

PFT, pulmonary function tests.

PG, phosphate yeast glucose (a broth used in microbiology).

pg, picogram - 0.000000000001 gram.

PG, proteoglycan.

PG, pseudogout (chondrocalcinosis).

PGA, polyglycolic acid.

PGC, pregastricin; primordial germ cell.

PGD,6-, 6-phosphogluconate dehydrogenase.

PGD2, endoperoxide-D-isomerase.

PGE, prostaglandin E.

PGE1, Prostaglandin E1.

PGE2, endoperoxide-E-isomerase.

PGF, paternal grandfather.

PGF2, endoperoxide-F-isomerase.

PGH, pituitary growth hormone.

PGI2, prostacyclin.

PGL, persistent generalized lymphadenopathy.

PGP, progressive general paralysis.

PGR, progesterone receptor.

pH, hydrogen-ion concentration - acid / alkaline

PH, past history.

PH, plasmactytic hyperplasia.

Ph1, Philadelphia chromosome.

PHA, phytohemagglutinin.

PhD, Doctor in Philosophy.

Phe, phenylalanine.

PHI, peptide histidine isoleucine.

PHM, peptide histidine methionine.

PhN , pharyngeal branch of the vagus nerve.

PHN, (phenyl)hydroxy-naftopidil.

PHN, headphone.

pHn, nutrient pH.

PHN, papillary Hurthle cell neoplasms.

PHN, paraventricular hypothalamic nucleus.

PHN, passive Heymann nephritis.

PHN, pelvic hematoma necessitans.

PHN, perihypoglossal nucleus.

PHN, periventricularis hypothalami.

pHn, pH values measured by NMR.

PHN, phenacetin.

PHN, phenanthrene.

Phn, phenazinium.

PHN, phentolamine.

PHN, phenylephrine.

PHN, phenylisothiocyanate.

PhN, phenylnitrene.

pHn, photoreceptors.

PhN, phrenic nerve.

PHN, p-hydroxynefazodone.

PHN, p-hydroxynorephedrine.

PHn, pleckstrin homology.

PHN, poly-3-hydroxynonanoate.

PHN, portal hypertension.

PHN, post-herpetic neuralgia.

PHN, preferred Health Network.

PHN, Public Health Nursing.

PHN, Public Health Nutrition.

PHN, pulmonary hypertension.

PHNs, public health nurses.

Photo DSC, photo differential scanning calorimeter.

PHPT, primary hyperparathyroidism.

PHPV, poly(-3-hydroxy-5-phenylvalerate.

PHS, phenytoin hypersensitivity syndrome

PHSC, pluripotential hematopoietic stem cell.

PHTLS, prehospital trauma life support.

PHX, past history.

phy, phytane isoprenoid.

PHYSO, physostigmine.

PI, permanently implantable.

PI, personal injury.

PI, positive indices.

PI, present illness.

PI, protease inhibitor.

PI, pulsatility index.

PIA, performance incentive award.

PIA, posterior interosseous artery.

PIBIDS syndrome, photosensitivity, ichthyosis, brittle hair, impaired intelligence, decreased fertility, and short stature.

PIC, peripherally inserted catheter.

PIC, products of incomplete combustion.

PICA, postero-inferior cerebellar artery.

PICC, peripherally inserted central catheter.

PID, pelvic inflammatory disease (CDC documentation).

PiD, Pick’s disease.

PID, prolapsed intervertebral disc.

PIE, Practical Incidence Estimators.

PIE, Problem-Intervention-Evaluation (system).

PIE, pulmonary infiltration with eosinophilia.

PIG-A, phosphatidylinositol glycan-class A (gene).

PIG-A, phosphatydilinositolglycan A.

PIH, pregnancy-induced hypertension.

PIH, pyridoxal isonicotinoyl hydrazone.

PIL, peripheral intravenous line.

PIM, pre-installation maintenance.

PIN, posterior interosseous nerve.

PIP, proximal interpalangeal.

PIP, proximal interphalangeal joint.

PIP₂, phosphatidylinositol-4,5-biphosphate.

PIPC, piperacillin.

PIPJ, proximal interpalangeal joint.

PIV, peripheral intravenous (line).

PK, pain killer.

PKU, phenylketonuria.

PL, posterolateral.

PLA, phospholipases.

PLA, polylactic acid.

PLAP, placental alkaline phosphatase.

PLF, posterior lumbar fusion.

PLGA, polylactic/glycolic acid.

PLIF, posterolateral interbody fusion.

PLL, prolymphocytic leukemia.

PLNs, peripheral lymph nodes.

PLO-SL, polycystic lipomembranous osteodysplasia with sclerosing leukoencephalopathy (Nasu-Hakola syndrome).

PLR, pupillary light reflex.

plt, paucity of lymph node T cell mutation.

PLT, platelet.

PLT, post-liver transplantation.

PLT, primary lymphoplasmacytic lymphoma.

PLT, primed lymphocyte tests.

PLT, psittacosis-lymphogranuloma-trachoma group viruses.

PM&R, Physical Medicine and Rehabilitation.

PM, petit mal.

PM, polymyositis.

PM, post meridian (afternoon).

PM, postmitotic cells.

PM, postmortem.

PM, post-nasal.

PMA, Pharmaceutical Manufacturers Association.

PMA, positive mental attitude; progressive muscular atrophy

PMB, postmenopausal bleeding.

PMBL, primary mediastinal B-cell lymphoma.

PMD, private medical doctor

PMDD, premenstrual dysphoric disorder.

PMH, past medical history.

PMI, maxillary primary incisors.

pMI, mitotic index of proliferating cell population.

PMI, pacemaker implantation.

PMI, pain management index.

PMI, Pain Management Inventory.

PMI, painless myocardial infarction.

PMI, panoramic mandibular index.

PMI, past medical illness.

PMI, paternal meiosis I.

PMI, perioperative myocardial infarction.

PMI, phosphomannose isomerase.

PMI, placental membrane inflammation.

PMI, plasma membrane integrity.

PMI, point of maximum impact

PMI, pollen mitosis one.

PMI, posterior myocardial infarctions.

PMI, postmortem interval.

PMI, power motion imaging.

PMI, Pressure Management Indicator.

PMI, Prevention Marketing Initiative.

pMI, previous myocardial infarction.

PMI, prolonged mechanical inspiration.

PMI, prostate malignancy index.

PMI, psoas minor muscle.

PMII, paternal meiosis II.

PMK, primary monkey kidney.

PML, promyelocytic leukemia and its gene on chromosome 15 (previously named myl).

PML, promyelocytic leukemia protein.

PMMA, polymethylmethacrylate.

PMN, polymorphonuclear leukocytes.

PMP, previous menstrual period.

PMP22, Peripheral myelin protein 22.

PMR, protonic magnetic resonance (analysis).

PMR, psychomotor retardation.

PMS, premenstrual tension syndrome (late luteal phase dysphoric disorder).

PMS, Profile of Mood States.

PN, pain.

PNA, protein equivalent of total nitrogen appearance.

PNC, postnecrotic liver cirrhosis.

PNC, prenatal care.

PND, paroxysmal nocturnal dyspnea.

PND, postnatal day.

PNET, primitive neuroectodermal tumor.

PNF, proprioceptive neuromuscular facilitation.

PNH, paroxysmal nocturnal hemoglobinuria.

PNI, peripheral nerve injury

PNMT, phenylethanolamine-N-methyl-transferase.

PNP, pooled normal plasma.

PNS, peripheral nervous system.

PO sus rel, PO (by mouth) sustained release.

PO, (per os) orally, by mouth.

PO, post-operative.

PO, postovulatory.

PO₂, Partial pressure of oxygen

POC, point-of-care.

POC, products of conception.

POD, postoperative day.

POD, postovulatory day.

POEMS (syndrome), polyneuropathy, organomegaly, endocrinopathy, monoclonal gammopathy, and skin lesions.

POG, Pediatric Oncology Group (USA).

poly, prefix for multiple.

polys, polymorphonuclear cells.

POMe, median preoptic nucleus.

POME, persistent otitis media with effusion.

PONF, Paediatric Oncology Nurses Forum (UK).

POP, plaster of paris.

Pop, popliteus tendon.

POS, Piedmont Orthopaedic Society.

pos, positive.

POSI, Paediatric Orthopaedic Society of India.

POSNA, Pediatric Orthopaedic Society of North America (AAOS Specialty Societies).

poss., possible.

post, posterior.

post-op, post-operative(ly).

postop, postoperative.

POTS, postural orthostatic tachycardia syndrome.

POX, point of exit

POX, pulse oximetry.

PP&A, palpation, percussion and auscultation

PP, per protocol.

PP, Peyer's patches.

PP, phosphoprotein phosphatase.

PP, positive pressure.

pp, postpartum.

pp, postprandial.

PP, presenting problem.

PP, private physician.

PPA, primary progressive aphasia.

PPARalpha, peroxisome proliferator activated receptor-alpha.

PPD, packs per day.

PPD, permanent partial disability.

PPD, purified protein derivative (of tuberculin).

PPE, personal protective equipment.

PPG, peristomal pyoderma gangrenosum.

PPG, portosystemic pressure gradient.

PPH, past pertinent history.

PPH, post-partum hemorrhage

PPH, primary pulmonary hypertension.

PPHN, persistent pulmonary hypertension of the newborn.

PPLO, pleuropneumonia-like organisms.

ppm, parts per million.

PPMC, physician practice management companies.

PPMS, primary progressive multiple sclerosis.

PPND, pallido-ponto-nigral degeneration.

PPP, pregnancy-prevention program.

PPPE, persistent pigmented purpuric eruption.

PPS, pachyman polysaccharides.

PPS, pelvic pain syndrome.

PPS, pentosan polysulfate.

PPS, peripheral pulmonic stenosis.

PPs, peroxisome proliferators.

PPS, Personal Preference Scale.

PPs, Peyer's patches.

pps, phosphoenolpyruvate synthase gene.

PPs, phosphoprotein phosphatases.

PPS, physician, patient and society.

PPS, plasminogen-plasmin system.

PPS, polyvalent pneumococcal polysaccharide.

PPS, poor progesterone surge (cycles).

PPS, popliteal pterygium syndrome.

PPS, postpartum psychiatric syndromes.

PPS, postpartum sterilization.

PPS, postperfusion syndrome.

PPS, postpericardiotomy syndrome.

PPS, post-polio syndrome.

PPS, postpump syndrome.

PPS, potentiating paired stimulation.

PPS, prenatal psychological stress.

PPS, preputial separation.

PPS, primary acquired preleukemic syndrome.

PPS, professional practice standards.

PPS, prospective payment system.

PPS, prospective pricing system.

PPS, protein plasma substitute.

PPS, pulse per second.

PPS/PCO, pelvic pain syndrome/polycystic ovaries

PPSH, pseudovaginal perineoscrotal hypopospadias.

P-PST-1, phenol-sulfating form of sulfotransferases.

ppt, part per trillion.

PPT, Physical Performance Test.

PPT, plasma pregnancy test.

PPT, postpartum thyroiditis.

PPT-B, Preprotachykinin B.

PPV, positive predicitive value.

PR, partial response / partial remission.

PR, perirenal (adipose tissue).

PR, progress record.

PR, pulse rate.

PR3, proteinase 3.

PRA, plasma/peripheral renin activity.

PRAMS, Pregnancy Risk Assessment Monitoring System.

PRAS, prereduced anaerobically sterilized (media).

PRBC, packed red blood cells.

PRC, proximal row carpectomy.

PRCA, pure red cell aplasia.

PRE, progressive resistance exercises.

pre-op, pre-operative(ly).

preop, preoperative.

prep, prepare as.

PRI(S), pain rating intensity score.

Pri, isopropanol.

PRI, PACAP receptor I.

PRI, Pain Rating Index.

PRI, pain rating index.

PRI, patient review instrument.

PRI, Pediatric Risk Index.

PRI, performance rating instrument.

PRI, perinatal respiratory insufficiency.

PRI, Pharyngeal Retention Index.

PRI, phenol red impurity.

PRI, phosphate reabsorption index.

PRI, phosphoribose isomerase.

PRI, phosrestin I.

PRI, photochemical reflectance index.

PRI, placental ribonuclease inhibitor.

PRI, placental RNase inhibitor.

PRI, platelet reactivity index.

PRI, point of respiratory inversion.

PRI, post recurrence induction.

PRI, postpartum resumption interval.

PRI, post-radiosurgical imaging.

PRI, post-remission intensification.

PRI, power ratio index.

PrI, preinoculation.

PRI, premarital residential independence.

PRI, pre-response interval.

PRI, preservation-reperfusion injury.

PRI, pressure relief index.

Pri, primary.

PRI, primates.

PRI, primidone.

PRI, prinedil

pri, pristane isoprenoid.

PRI, Pristinamycin.

PRI, ProFile Ni-Ti rotary instruments.

PRI, progressive renal insufficiency.

PRI, proliferation rate index.

PRI, protease inhibitors.

PRI, protein intake.

PRI, proximal promoter region I.

PRI, Psychopathy Resemblance Index.

pRi, root-inducing plasmids.

PRI-100, Personal Reaction Inventory.

PRIAS, Packard Radioimmunoassay System.

PRICE, protection, relative rest, ice, compression, elevation.

PRICEMM, protection, relative rest, ice, compression, elevation, modalities, medication.

PRICES, physician modalities, rehabilitation, injections, cross training, evaluation, salicylates.

PRICES, protection, rest, ice, compression, elevation, support.

PRIDE, Parents Resource Institute for Drug Education.

PRIH, prolactin release inhibiting hormone.

PRII, proximal promoter region II.

PRIM&R, Public Responsibility in Medicine & Research.

PRIM, primase.

PRIME, plankton reactivity in the marine environment.

PRIME-MD, Primary Care Evaluation of Mental Disorders.

PRIMEX, primary care extender.

Primip, primipara/primiparity.

PRIMOS, prime operating system.

PRINCE, projects in controlled environments (UK).

PRIND, prolonged reversible ischemic neurologic deficit.

PRION, proteinaceous infectious particle.

PRIST, paper radioimmunosorbent test,

Prl, prolactin.

prn, pro re nata - as required, as needed.

Pro time, prothrombin time.

Pro, proline.

PROM, passive range of motion.

PROM, premature rupture of membranes.

ProMACE-CytaBOM, prednisone, methotrexate, doxorubicin, cyclophosphamide, etoposide, cytarabine, bleomycin, vincristine, methotrexate.

prot, protocol.

PRP, penicillase-resistant penicillin.

PRP, pityriasis rubra pilaris.

PrP, prion protein.

PRRE, pupils round, regular and equal.

Prss14, protease, serine, 14, a gene.

PRT, patient refused test.<