Abbreviations and Acronyms

R factor is an acronym for resistance factor

R is an abbreviation of Reaumur

R is an abbreviation of resistance

R is an abbreviation of roentgen

R is an abbreviation of rough

R plasmid is an acronym for resistance plasmid

R. acetosa is an abbreviation of Rumex acetosa

R. acus is an abbreviation of Raphidascaris acus

R. albus is an abbreviation of Ruminococcus albus

R. arrhizus is an abbreviation of Rhizopus arrhizus

R. arundinum is an abbreviation of Redunca arundinum

R. arvalis is an abbreviation of Rana arvalis

R. aurantiacus is an abbreviation of Rhodococcus aurantiacus

R. auricularia is an abbreviation of Radix auricularia

R. bellii is an abbreviation of Rickettsia bellii

R. bronchialis is an abbreviation of Rhodococcus bronchialis

R. cataractae is an abbreviation of Rhinichthys cataractae

R. clavatus is an abbreviation of Riptortus clavatus

R. conorii is an abbreviation of Rickettsia conorii

R. coxinga is an abbreviation of Rattus coxinga

R. dearborni is an abbreviation of Rhigophila dearborni

R. equi is an abbreviation of Rhodococcus equi

R. esculenta is an abbreviation of Rana esculenta

R. flavefaciens is an abbreviation of Ruminococcus flavefaciens

R. fulvescens is an abbreviation of Reithrodontomys fulvescens

R. gelatinosus is an abbreviation of Rhodocyclus gelatinosus

R. gelatinosus is an abbreviation of Rhytidodes gelatinosus

R. gelatinosus is an abbreviation of Rubrivivax gelatinosus

R. glutinis is an abbreviation of Rhodotorula glutinis

R. glutinosa is an abbreviation of Rehmannia glutinosa

R. grylli is an abbreviation of Rickettsiella grylli

R. hipposideros is an abbreviation of Rhinolophus hipposideros

R. leguminosarum is an abbreviation of Rhizobium leguminosarum

R. molle is an abbreviation of Rhododendron molle

R. muirii is an abbreviation of Raillardiopsis muirii

R. nasutus is an abbreviation of Rhinacanthus nasutus

R. nasutus is an abbreviation of Rhodnius nasutus

R. Ph. is an abbreviation of registered pharmacist

R. pusillus is an abbreviation of Rhizomucor pusillus

R. rugosa is an abbreviation of Rana rugosa

R. rutilus is an abbreviation of Rutilus rutilus

R. sylvatica is an abbreviation of Rana sylvatica

R. tapirina is an abbreviation of Rhombosolea tapirina

R. toco is an abbreviation of Ramphastos toco

R. verticalis is an abbreviation of Requena verticalis

R.A.M.C. is an acronym for Royal Army Medical Corps

R.C.M. is an acronym for Royal College of Midwives

R.C.N. is an acronym for Royal College of Nursing

R.C.O.G. is an acronym for Royal College of Obstetricians and Gynaecologists

R.C.P. is an acronym for Royal College of Physicians

R.C.S. is an acronym for Royal College of Surgeons

R.C.V.S. is an acronym for Royal College of Veterinary Surgeons

R.D. is an acronym for reaction of degeneration

R.F.A. is an acronym for right frontoanterior

R.F.P. is an acronym for right frontoposterior

R.G.N. is an acronym for Registered General Nurse

R.I.F. is an acronym for right iliac fossa

R.M.N. is an acronym for Registered Mental Nurse

R.M.O. is an acronym for Regional Medical Officer

R.M.P. is an acronym for right mentoposterior

R.N. is an acronym for Registered Nurse

R.N.M.S. is an acronym for Registered Nurse for the Mentally Sub-Normal

R.O.A. is an acronym for right occipitoanterior

R.O.P. is an acronym for right occipitoposterior

R.R.L. is an acronym for Registered Record Librarian

R.S.A. is an acronym for Republic of South Africa

R.S.A. is an acronym for right sacroanterior

R.S.B. is an acronym for Regimental Stretcher Bearer

R.S.C.N. is an acronym for Registered Sick Children’s Nurse

R.S.M. is an acronym for Royal Society of Medicine

R.S.N.A. is an acronym for Radiological Society of North America

R.S.P. is an acronym for right sacroposterior

R.S.T. is an acronym for right sacrotransverse

R.S.T.M.H. is an acronym for Royal Society of Tropical Medicine and Hygiene

R.T. is an acronym for reading test

R.U. is an acronym for rat unit

R.V.H. is an acronym for right ventricular hypertrophy

Ra is an abbreviation of radial

Ra is an abbreviation of radium

Ra is an abbreviation of Rayleigh number

RA is an abbreviation of Raynaud’s

RA is an acronym for airway resistance

RA is an acronym for radioactive

RA is an acronym for radioactivity

RA is an acronym for radionuclide angiography

RA is an acronym for ragweed antigen

RA is an acronym for rapidly adapting

RA is an acronym for reading age

RA is an acronym for reciprocal asymmetrical

RA is an acronym for refractory anemia

RA is an acronym for refractory ascites

RA is an acronym for renal artery

RA is an acronym for renin activity

RA is an acronym for renin angiotensin

RA is an acronym for repeat action

RA is an acronym for residual air

RA is an acronym for retinoic acid

RA is an acronym for rheumatic arthritis

RA is an acronym for rheumatoid agglutinin

RA is an acronym for rheumatoid arthritis

RA is an acronym for right angle

RA is an acronym for right angulation

RA is an acronym for right arm

RA is an acronym for right atrial

RA is an acronym for right atrium

RA is an acronym for right auricle

ra. is an abbreviation of radius

rAAV is an acronym for recombinant adeno-associated virus

rab GG transferase is an acronym for rab geranylgeranyltransferase

RabGDI is an acronym for rab guanine nucleotide dissociation inhibitor

rac is an abbreviation of racemate

rad is an abbreviation of radix

RadLV is an abbreviation of radiation leukemia virus

RAEB is an acronym for refractory anemia with excess blasts

RAF is an abbreviation of repetitive atrial firing

RAF is an abbreviation of rheumatoid arthritis factor

RAH is an abbreviation of recurrent artery of Heubner

RaKCaR is an acronym for rat kidney calcium polyvalent cation-sensing receptor

RAPD is an acronym for relative afferent pupillary defect

RAR is an acronym for rat insulin receptor

RAR is an acronym for reno-aortic ratio

RARS is an acronym for refractory anemia with ring sideroblasts

RAS is an acronym for rapid atrial stimulation

RAS is an acronym for recurrent apthous stomatitis

RAS is an acronym for reflex-activating stimulus

RAS is an acronym for renal artery stenosis

RAS is an acronym for renin-angiotensin system

RAS is an acronym for reticular activating system

RAS is an acronym for rheumatoid arthritis serum

RA-s is an acronym for right arm, sitting

Ras. is an abbreviation of rasura

RAST is an acronym for radioallergosorbent test

RAV is an acronym for Rous-associated virus

RAW is an acronym for airway resistance

Rb is an abbreviation of rubidium

RBBB is an acronym for right bundle branch block

rbc is an acronym for red blood cell

RBC is an acronym for red blood corpuscle

RBC is an acronym for red blood count

RBE is an acronym for relative biological effectiveness

RBF is an abbreviation of regional blood flow

RBF is an abbreviation of regional bone mass

RBF is an abbreviation of renal blood flow

RBL is an abbreviation of rat basophilic leukemia

RBL is an abbreviation of Reid’s baseline

RBP is an acronym for retinol-binding protein

RBP is an acronym for riboflavin-binding protein

Rc is an abbreviation of receptor

Rc is an acronym for conditioned response

RC is an acronym for radiocarpal

RC is an acronym for reaction center

RC is an acronym for recrystallization

RC is an acronym for red cell

RC is an acronym for red cell cast

RC is an acronym for red corpuscle

RC is an acronym for Red Cross

RC is an acronym for referred care

RC is an acronym for regenerated cellulose

RC is an acronym for resistor-capacitor electronic circuit

RC is an acronym for respiratory care

RC is an acronym for respiratory center

RC is an acronym for rest cure

RC is an acronym for retention catheter

RC is an acronym for retrograde cystogram

RC is an acronym for rib cage

RC is an acronym for root canal

RC is an acronym for routine cholecystography

Rc. gelatinosus is an abbreviation of Rhodocyclus gelatinosus

RCA is an acronym for red cell agglutination

RCA is an acronym for relative chemotactic activity

RCA is an acronym for renal cell carcinoma

RCA is an acronym for right carotid artery

RCA is an acronym for right coronary artery

RCC is an acronym for radiological control center

RCC is an acronym for rape crisis center

RCC is an acronym for ratio of cost to charges

RCC is an acronym for receptor-chemoeffector complex

RCC is an acronym for red cell cast

RCC is an acronym for red cell count

RCC is an acronym for renal cell carcinoma

RCC is an acronym for right common carotid

RCM is an acronym for radiocontrast medium

RCM is an acronym for radiographic contrast media

RCM is an acronym for radiographic contrast medium

RCM is an acronym for red cell mass

RCM is an acronym for reflection contrast microscopy

RCM is an acronym for reinforced clostridial medium

RCM is an acronym for replacement culture medium

RCM is an acronym for restrictive cardiomyopathy

RCM is an acronym for right costal margin

RCM is an acronym for ring-closing metathesis

RCM is an acronym for Royal College of Midwives

rCRP is an acronym for rat cysteine-rich protein

RCS is an acronym for reticulum cell sarcoma

RCU is an acronym for red cell utilization

RCU is an acronym for respiratory care unit

rd is an abbreviation of reading

rd is an abbreviation of rutherford

RD is an acronym for radial deviation

RD is an acronym for rate difference

Rd is an acronym for rate of disappearance

RD is an acronym for Raynaud’s disease

RD is an acronym for reaction of denervation

RD is an acronym for registered dietitian

RD is an acronym for Reiter’s disease

RD is an acronym for related donor

RD is an acronym for renal disease

RD is an acronym for Renon-Delille

RD is an acronym for resistance determinant

RD is an acronym for respiratory disease

RD is an acronym for retinal detachment

RD is an acronym for Reye’s disease

RD is an acronym for rheumatoid disease

RD is an acronym for right deltoid

RD is an acronym for right dorso-anterior

RD is an acronym for Riley-Day

RD is an acronym for Rolland-Desbuquois

RD is an acronym for rubber dam

RD is an acronym for ruminal drinking

RD is an acronym for ruptured disc

rDNA is an acronym for recombinant deoxyribonucleic acid

rDNA is an acronym for ribosomal deoxyribonucleic acid

Re is an abbreviation of rhenium

REA is an acronym for radiation emergency area

REA is an acronym for radioenzymatic assay

REA is an acronym for renal anastomosis

REA is an acronym for right ear advantage

rec is an abbreviation of fresh

rec is an abbreviation of recessive

rec is an abbreviation of recombinant chromosome

rec is an abbreviation of record

rec is an abbreviation of recovery

rec is an abbreviation of recurrence

recA is an abbreviation of recombination A

rect. is an abbreviation of rectified

REE is an acronym for resting energy expenditure

reg is an abbreviation of region

Reg is an abbreviation of registered

REG is an acronym for Radiation Exposure Guide

REG is an acronym for radioencephalogram

REG is an acronym for radioencephalograph

REG is an acronym for radioencephalography

reg. is an abbreviation of regarding

reg. is an abbreviation of regular

ReLPS is an acronym for rough lipopolysaccharide

ReLPS is an acronym for Salmonella minnesota Re 595 lipopolysaccharide

rem is an abbreviation of removal

rem is an acronym for radiation equivalent man

REM is an acronym for rapid eye movement

REM is an acronym for recent-event memory

REM is an acronym for reticular erythematous mucinosis

REM is an acronym for return electrode monitor

REM is an acronym for roentgen-equivalent-man

rem is an acronym for roentgen-equivalent-man

REM sleep is an acronym for rapid eye movement sleep

ReP is an abbreviation of retrograde pyelogram

REP is an acronym for rest-exercise program

rep is an acronym for roentgen equivalent physical

RER is an abbreviation of renal excretion rate

RER is an abbreviation of respiratory exchange ratio

RER is an abbreviation of rough endoplasmic reticulum

resp is an abbreviation of respective

resp is an abbreviation of respectively

resp is an abbreviation of respiration

resp is an abbreviation of respondent

ret is an abbreviation of retired

rev is an abbreviation of revolution

Rf is an abbreviation of rutherfordium

RF is an acronym for rheumatic fever

RF is an acronym for rheumatoid factor

RFA is an acronym for right femoral artery

RFLP analysis is an abbreviation of restriction fragment length polymorphism analysis

RFLP is an acronym for restriction fragment length polymorphism

RFP is an acronym for recurrent facial paralysis

RFP is an acronym for request for payment

RFP is an acronym for request for proposal

RFT is an acronym for respiratory function test

RFT is an acronym for right frontotransverse

RFT is an acronym for ring finger test

RFT is an acronym for rod-and-frame test

rFVIII is an acronym for recombinant factor VIII

Rg is an acronym for gap rate

RG is an acronym for gill resistance

RG is an acronym for radical gastrectomy

Rg is an acronym for radius of gyration

rG is an acronym for recombinant granulocyte

RG is an acronym for red gastrocnemius muscle

rG is an acronym for regular gene

RG is an acronym for retinal ganglion

RG is an acronym for right gluteal

rG-CSF is an acronym for recombinant granulocyte colony-stimulating factor

RGDS is an acronym for arginine-glycine-aspartate-serine

RG-II is an acronym for rhamnogalacturonan II

Rh is an abbreviation of rhesus factor

Rh is an abbreviation of rhodium

Rh isoimmunization is an abbreviation of rhesus factor isoimmunization

RHBV is an acronym for rice hoja blanca virus

rhDNase is an acronym for recombinant human deoxyribonuclease I

RHG is an abbreviation of right hand grip

rHGH is an acronym for recombinant human growth hormone

rhoGAP is an acronym for rho GTPase-activating protein

rhoGAP is an acronym for rho guanosinetriphosphatase-activating protein

rHuEPO is an acronym for recombinant human erythropoietin

RIA is an acronym for radioimmunoassay

RIBA is an acronym for recombinant immunoblot assay

ribosomal RNA is an acronym for ribosomal ribonucleic acid

RID is an acronym for radial immunodiffusion

rIFN is an acronym for recombinant interferon

rIgG is an acronym for recombinant immunoglobulin

RII is an abbreviation of type II receptor

RIII is an abbreviation of type III receptor

RIPA is an acronym for radioimmunoprecipitation assay

rist is an acronym for radioimmunosorbent test

rit is an abbreviation of ritardando

RK is an acronym for radial keratotomy

RKBP is an acronym for rat kallikrein-binding protein

RL is an acronym for radiation laboratory

RL is an acronym for reduction level

RL is an acronym for resistive load

RL is an acronym for reticular lamina

RL is an acronym for right lateral

RL is an acronym for right leg

RL is an acronym for right lung

RL is an acronym for Ringer’s lactate solution

RLF is an acronym for retrolental fibroplasia

RLF is an acronym for right lateral femoral

RLF is an acronym for right lateral flexion

RLV is an acronym for Rauscher leukemia virus

RLV is an acronym for regional lung volume

RM is an abbreviation of radical mastectomy

RM is an abbreviation of random migration

RM is an abbreviation of range of movement

RM is an abbreviation of red marrow

RM is an abbreviation of reference material

RM is an abbreviation of rehabilitation medicine

RM is an abbreviation of reinforced maneuver

RM is an abbreviation of relative mobility

rm is an abbreviation of remission

RM is an abbreviation of resistive movement

RM is an abbreviation of respiratory movement

RM is an abbreviation of Riehl’s melanosis

rm is an abbreviation of room

RM is an abbreviation of routine management

RM is an abbreviation of ruptured membranes

RMA is an acronym for reflex modification audiometry

RMA is an acronym for Registered Medical Assistant

RMA is an acronym for relative medullary area

RMA is an acronym for right mentoanterior

RMA is an acronym for right mentoanterior

RMA is an acronym for Rivermead motor assessment

rML is an acronym for recombinant mistletoe lectin

RML is an acronym for refractory malignant lymphoma

RML is an acronym for right middle lobe

RMP is an abbreviation of rifampin

RMP is an acronym for rapidly miscible pool

RMP is an acronym for regional medical program

RMP is an acronym for resting membrane potential

RMP is an acronym for ribulose monophosphate pathway

RMS is an abbreviation of rectal morphine sulfate

RMS is an abbreviation of red man syndrome

RMS is an abbreviation of repetitive motion syndrome

RMS is an abbreviation of respiratory muscle strength

RMS is an abbreviation of rheumatic mitral stenosis

RMS is an abbreviation of rhodomyosarcoma

RMS is an abbreviation of rigid man syndrome

RMS is an abbreviation of root-mean-square

rms is an abbreviation of root-mean-square

RMSF is an acronym for rocky mountain spotted fever

RMT is an acronym for recognition memory test

RMT is an acronym for Registered Music Therapist

RMT is an acronym for relative medullary thickness

RMT is an acronym for residual mature teratoma

RMT is an acronym for respiratory muscle training

RMT is an acronym for resting motor threshold

RMT is an acronym for retromolar trigone

RMT is an acronym for right mentotransverse

RMT is an acronym for right mentotransverse

Rn is an abbreviation of radon

RN is an acronym for radionuclide

RN is an acronym for reactive nitrogen

RN is an acronym for red nucleus

RN is an acronym for residual nitrogen

RN is an acronym for reticular nucleus

RNA is an acronym for ribonucleic acid

RNasin is an acronym for ribonuclease inhibitor

RNP is an acronym for ribonucleoprotein

RO is an acronym for Receiving Operating Characteristics

ROA is an acronym for retinyl acetate

ROC is an acronym for receiver operating characteristic

ROC is an acronym for receptor-operated channel

ROC is an acronym for relative operating characteristic

ROC is an acronym for resident on call

ROC is an acronym for residual organic carbon

ROM is an abbreviation of range of motion

ROM is an abbreviation of read only memory

rom is an abbreviation of reciprocal ohm meter

ROM is an abbreviation of rupture of membrane

ROP is an acronym for retinopathy of prematurity

RP is an acronym for radial pulse

RP is an acronym for radiopharmaceutical

RP is an acronym for rapid processing

RP is an acronym for Raynaud’s phenomenon

RP is an acronym for reactive protein

RP is an acronym for readiness potential

RP is an acronym for rectal prolapse

RP is an acronym for refractory period

RP is an acronym for regulatory protein

RP is an acronym for relapsing polychondritis

RP is an acronym for respiratory rate

RP is an acronym for rest pain

RP is an acronym for resting potential

RP is an acronym for resting pressure

RP is an acronym for retinitis pigmentosa

RP is an acronym for retrograde pyelogram

RP is an acronym for retroperitoneal

RP is an acronym for reverse phase

RP is an acronym for rheumatoid polyarthritis

RP is an acronym for ribose phosphate

RPCH is an acronym for red pigment-concentrating hormone

RPE is an abbreviation of rate of perceived exertion

RPE is an abbreviation of recurrent pulmonary embolism

RPE is an abbreviation of retinal pigment epithelium

RPF is an acronym for renal plasma flow

RPHDHD is an acronym for rhamnopyranosyl-3-hydroxydecanoyl-3-hydroxydecanoate

rpm is an acronym for revolutions per minute

RPMI is an acronym for Roswell Park Memorial Institute medium

RPO is an acronym for reticularis pontis oralis

RPO is an acronym for right posterior oblique

RPP is an acronym for heart rate-systolic blood pressure product

RPP is an acronym for rapidly progressive periodontitis

RPP is an acronym for rate-pressure product

RPP is an acronym for renal perfusion pressure

RPP is an acronym for retropubic prostatectomy

RPR is an acronym for rapid plasmin reagin

RPR test is an acronym for rapid plasma reagin test

RPTPalpha is an acronym for receptor-linked protein-tyrosine-phosphatase alpha

RPTPbeta is an acronym for receptor protein tyrosine phosphatase-beta

RPTPbeta is an acronym for receptor-type protein-tyrosine phosphatase-beta

RPTPgamma is an acronym for receptor protein tyrosine phosphatase gamma

RPTPsigma is an acronym for receptor protein tyrosine phosphatase sigma

RQ is an acronym for recovery quotient

RQ is an acronym for reportable quantity

RQ is an acronym for respiratory quotient

RR is an acronym for recovery room

rRNA is an acronym for ribosomal ribonucleic acid

RRS is an acronym for retrorectal space

RRS is an acronym for Richards-Rundle syndrome

RS is an acronym for reed-sternberg

RS is an acronym for retinyl acetate

Rsa is an abbreviation of systemic arterial resistance

RSA is an acronym for rabbit serum albumin

RSA is an acronym for rat serum albumin

RSA is an acronym for regular spiking activity

RSA is an acronym for relative specific radioactivity

RSA is an acronym for relative standard accuracy

RSA is an acronym for respiratory sinus arrhythmia

RSA is an acronym for reticulum sarcoma

RSA is an acronym for right subclavian artery

RSCA is an acronym for reference strand conformation analysis

RSCA is an acronym for reference strand mediated conformation analysis

RSCA is an acronym for right subclavian artery

RSP is an acronym for recirculating single pass

RSP is an acronym for removable silicone plug

RSSP is an acronym for rice seed storage prolamine

RST is an acronym for radiosensitivity test

RST is an acronym for radiosensitivity testing

RST is an acronym for reagin screen test

RST is an acronym for rubrospinal tract

RSV is an acronym for Rous sarcoma virus

RTA is an abbreviation of renal tubular acidosis

RTA is an abbreviation of reverse transcriptase assay

RTA is an abbreviation of road traffic accident

RTK is an acronym for receptor tyrosine kinase

RTOG is an acronym for Radiation Therapy Oncology Group

RTS is an abbreviation of real time scan

RTS is an abbreviation of right toestrike

RTS is an abbreviation of Rubinstein-Taybi syndrome

RTSH is an acronym for Recovery Training and Self-Help

RTV is an acronym for regional tidal volume

RTV is an acronym for room temperature vulcanization

Ru is an abbreviation of ruthenium

RUL is an acronym for right unilateral

RUL is an acronym for right upper eyelid

RUL is an acronym for right upper lateral

RUL is an acronym for right upper limb

RUL is an acronym for right upper lobe

RV is an acronym for residual volume

RVA is an acronym for recombinant virus assay

RVA is an acronym for right ventricular apex

RVA is an acronym for right ventricular area

RVC is an acronym for rectovaginal constriction

RVC is an acronym for regional vital capacity

RVH is an acronym for renal vascular hypertension

RVH is an acronym for renovascular hypertension

Rvi. gelatinosus is an abbreviation of Rubrivivax gelatinosus

RVLM is an acronym for rostral ventrolateral medulla

Rx is an abbreviation of recipe

Rx. gelatinosus is an abbreviation of Rubrivivax gelatinosus

RYIRFamide is an acronym for arginyl-tyrosyl-isoleucyl-arginyl-phenylalaninamide

RZRalpha is an acronym for retinoid Z receptor alpha

RZRbeta is an acronym for retinoid Z receptor beta