Medical Glossary
Medical terminology that starts with [R]
- R Factors
- R-SNARE Proteins
- rab GTP-Binding Proteins
- rab1 GTP-Binding Proteins
- rab2 GTP-Binding Protein
- rab3 GTP-Binding Proteins
- rab3A GTP-Binding Protein
- rab4 GTP-Binding Proteins
- rab5 GTP-Binding Proteins
- Rabbits
- Rabeprazole
- Rabies
- Rabies Vaccines
- Rabies virus
- rac GTP-Binding Proteins
- rac1 GTP-Binding Protein
- Raccoon Dogs
- Raccoons
- Race Relations
- Racemases and Epimerases
- Racemethionine
- Racepinephrine
- Racism
- Raclopride
- Racquet Sports
- Rad51 Recombinase
- Rad52 DNA Repair and Recombination Protein
- Radar
- Radial Artery
- Radial Nerve
- Radial Neuropathy
- Radiation
- Radiation Chimera
- Radiation Dosage
- Radiation Dosimeters
- Radiation Effects
- Radiation Equipment and Supplies
- Radiation Exposure
- Radiation Genetics
- Radiation Hybrid Mapping
- Radiation Injuries
- Radiation Injuries, Experimental
- Radiation Leukemia Virus
- Radiation Monitoring
- Radiation Oncologists
- Radiation Oncology
- Radiation Pneumonitis
- Radiation Protection
- Radiation Tolerance
- Radiation, Ionizing
- Radiation, Nonionizing
- Radiation-Protective Agents
- Radiation-Sensitizing Agents
- Radicular Cyst
- Radiculopathy
- Radiesthesia
- Radio
- Radio Frequency Identification Device
- Radio Waves
- Radioactive Fallout
- Radioactive Hazard Release
- Radioactive Pollutants
- Radioactive Tracers
- Radioactive Waste
- Radioactivity
- Radioallergosorbent Test
- Radiobiology
- Radiochemistry
- Radiodermatitis
- Radiographic Image Enhancement
- Radiographic Image Interpretation, Computer-Assisted
- Radiographic Magnification
- Radiography
- Radiography, Abdominal
- Radiography, Bitewing
- Radiography, Dental
- Radiography, Dental, Digital
- Radiography, Dual-Energy Scanned Projection
- Radiography, Interventional
- Radiography, Panoramic
- Radiography, Thoracic
- Radioimmunoassay
- Radioimmunodetection
- Radioimmunoprecipitation Assay
- Radioimmunosorbent Test
- Radioimmunotherapy
- Radioisotope Dilution Technique
- Radioisotope Renography
- Radioisotope Teletherapy
- Radioisotopes
- Radioligand Assay
- Radiologic and Imaging Nursing
- Radiologic Health
- Radiologists
- Radiology
- Radiology Department, Hospital
- Radiology Information Systems
- Radiology, Interventional
- Radiometric Dating
- Radiometry
- Radionuclide Angiography
- Radionuclide Generators
- Radionuclide Imaging
- Radionuclide Ventriculography
- Radiopharmaceuticals
- Radiostereometric Analysis
- Radiosurgery
- Radiotherapy
- Radiotherapy Dosage
- Radiotherapy Planning, Computer-Assisted
- Radiotherapy Setup Errors
- Radiotherapy, Adjuvant
- Radiotherapy, Computer-Assisted
- Radiotherapy, Conformal
- Radiotherapy, High-Energy
- Radiotherapy, Image-Guided
- Radiotherapy, Intensity-Modulated
- Radium
- Radius
- Radius Fractures
- Radon
- Radon Daughters
- raf Kinases
- Raffinose
- Rafoxanide
- Rage
- Rahnella
- Railroads
- Rain
- Rainforest
- ral GTP-Binding Proteins
- ral Guanine Nucleotide Exchange Factor
- Raloxifene Hydrochloride
- Ralstonia
- Ralstonia pickettii
- Ralstonia solanacearum
- Raltegravir Potassium
- Ramipril
- ran GTP-Binding Protein
- Rana catesbeiana
- Rana clamitans
- Rana esculenta
- Rana pipiens
- Rana ridibunda
- Rana temporaria
- Ranavirus
- Random Allocation
- Random Amplified Polymorphic DNA Technique
- Randomized Controlled Trial
- Randomized Controlled Trials as Topic
- Range of Motion, Articular
- Ranibizumab
- Ranidae
- Ranitidine
- RANK Ligand
- Ranolazine
- Ranula
- Ranunculaceae
- Ranunculus
- Ranvier's Nodes
- rap GTP-Binding Proteins
- rap1 GTP-Binding Proteins
- Rape
- Raphanus
- Raphe Nuclei
- Raptors
- Rare Books
- Rare Diseases
- ras GTPase-Activating Proteins
- ras Guanine Nucleotide Exchange Factors
- ras Proteins
- ras-GRF1
- Rat-Bite Fever
- Rate Setting and Review
- Ratibida
- Rationalization
- Rats
- Rats, Brattleboro
- Rats, Gunn
- Rats, Hairless
- Rats, Inbred ACI
- Rats, Inbred BB
- Rats, Inbred BN
- Rats, Inbred BUF
- Rats, Inbred Dahl
- Rats, Inbred F344
- Rats, Inbred LEC
- Rats, Inbred Lew
- Rats, Inbred OLETF
- Rats, Inbred SHR
- Rats, Inbred Strains
- Rats, Inbred WF
- Rats, Inbred WKY
- Rats, Long-Evans
- Rats, Mutant Strains
- Rats, Nude
- Rats, Sprague-Dawley
- Rats, Transgenic
- Rats, Wistar
- Rats, Zucker
- Rauscher Virus
- Rauwolfia
- RAW 264.7 Cells
- Raw Foods
- Raynaud Disease
- Razoxane
- Re-Epithelialization
- Re-Irradiation
- Reaction Time
- Reactive Attachment Disorder
- Reactive Inhibition
- Reactive Nitrogen Species
- Reactive Oxygen Species
- Reading
- Reading Frames
- Reagent Kits, Diagnostic
- Reagent Strips
- Reagins
- Real-Time Polymerase Chain Reaction
- Reality Testing
- Reality Therapy
- Reassortant Viruses
- Rec A Recombinases
- Receptor Activator of Nuclear Factor-kappa B
- Receptor Activity-Modifying Protein 1
- Receptor Activity-Modifying Protein 2
- Receptor Activity-Modifying Protein 3
- Receptor Activity-Modifying Proteins
- Receptor Aggregation
- Receptor Cross-Talk
- Receptor Protein-Tyrosine Kinases
- Receptor Tyrosine Kinase-like Orphan Receptors
- Receptor, Adenosine A1
- Receptor, Adenosine A2A
- Receptor, Adenosine A2B
- Receptor, Adenosine A3
- Receptor, Anaphylatoxin C5a
- Receptor, Angiotensin, Type 1
- Receptor, Angiotensin, Type 2
- Receptor, Bradykinin B1
- Receptor, Bradykinin B2
- Receptor, Cannabinoid, CB1
- Receptor, Cannabinoid, CB2
- Receptor, Cholecystokinin A
- Receptor, Cholecystokinin B
- Receptor, Ciliary Neurotrophic Factor
- Receptor, Endothelin A
- Receptor, Endothelin B
- Receptor, EphA1
- Receptor, EphA2
- Receptor, EphA3
- Receptor, EphA4
- Receptor, EphA5
- Receptor, EphA6
- Receptor, EphA7
- Receptor, EphA8
- Receptor, EphB1
- Receptor, EphB2
- Receptor, EphB3
- Receptor, EphB4
- Receptor, EphB5
- Receptor, EphB6
- Receptor, Epidermal Growth Factor
- Receptor, ErbB-2
- Receptor, ErbB-3
- Receptor, ErbB-4
- Receptor, Fibroblast Growth Factor, Type 1
- Receptor, Fibroblast Growth Factor, Type 2
- Receptor, Fibroblast Growth Factor, Type 3
- Receptor, Fibroblast Growth Factor, Type 4
- Receptor, Fibroblast Growth Factor, Type 5
- Receptor, Galanin, Type 1
- Receptor, Galanin, Type 2
- Receptor, Galanin, Type 3
- Receptor, IGF Type 1
- Receptor, IGF Type 2
- Receptor, Insulin
- Receptor, Interferon alpha-beta
- Receptor, Macrophage Colony-Stimulating Factor
- Receptor, Melanocortin, Type 1
- Receptor, Melanocortin, Type 2
- Receptor, Melanocortin, Type 3
- Receptor, Melanocortin, Type 4
- Receptor, Melatonin, MT1
- Receptor, Melatonin, MT2
- Receptor, Metabotropic Glutamate 5
- Receptor, Muscarinic M1
- Receptor, Muscarinic M2
- Receptor, Muscarinic M3
- Receptor, Muscarinic M4
- Receptor, Muscarinic M5
- Receptor, Nerve Growth Factor
- Receptor, Notch1
- Receptor, Notch2
- Receptor, Notch3
- Receptor, PAR-1
- Receptor, PAR-2
- Receptor, Parathyroid Hormone, Type 1
- Receptor, Parathyroid Hormone, Type 2
- Receptor, Platelet-Derived Growth Factor alpha
- Receptor, Platelet-Derived Growth Factor beta
- Receptor, Serotonin, 5-HT1A
- Receptor, Serotonin, 5-HT1B
- Receptor, Serotonin, 5-HT1D
- Receptor, Serotonin, 5-HT2A
- Receptor, Serotonin, 5-HT2B
- Receptor, Serotonin, 5-HT2C
- Receptor, TIE-1
- Receptor, TIE-2
- Receptor, trkA
- Receptor, trkB
- Receptor, trkC
- Receptor-CD3 Complex, Antigen, T-Cell
- Receptor-Interacting Protein Serine-Threonine Kinase 2
- Receptor-Interacting Protein Serine-Threonine Kinases
- Receptor-Like Protein Tyrosine Phosphatases
- Receptor-Like Protein Tyrosine Phosphatases, Class 1
- Receptor-Like Protein Tyrosine Phosphatases, Class 2
- Receptor-Like Protein Tyrosine Phosphatases, Class 3
- Receptor-Like Protein Tyrosine Phosphatases, Class 4
- Receptor-Like Protein Tyrosine Phosphatases, Class 5
- Receptor-Like Protein Tyrosine Phosphatases, Class 7
- Receptor-Like Protein Tyrosine Phosphatases, Class 8
- Receptors, Adenosine A2
- Receptors, Adipokine
- Receptors, Adiponectin
- Receptors, Adrenergic
- Receptors, Adrenergic, alpha
- Receptors, Adrenergic, alpha-1
- Receptors, Adrenergic, alpha-2
- Receptors, Adrenergic, beta
- Receptors, Adrenergic, beta-1
- Receptors, Adrenergic, beta-2
- Receptors, Adrenergic, beta-3
- Receptors, Adrenomedullin
- Receptors, Albumin
- Receptors, Amino Acid
- Receptors, AMPA
- Receptors, Androgen
- Receptors, Angiotensin
- Receptors, Antigen
- Receptors, Antigen, B-Cell
- Receptors, Antigen, T-Cell
- Receptors, Antigen, T-Cell, alpha-beta
- Receptors, Antigen, T-Cell, gamma-delta
- Receptors, Artificial
- Receptors, Aryl Hydrocarbon
- Receptors, Atrial Natriuretic Factor
- Receptors, Autocrine Motility Factor
- Receptors, Biogenic Amine
- Receptors, Bombesin
- Receptors, Bradykinin
- Receptors, Calcitonin
- Receptors, Calcitonin Gene-Related Peptide
- Receptors, Calcitriol
- Receptors, Calcium-Sensing
- Receptors, Cannabinoid
- Receptors, Catecholamine
- Receptors, CCR
- Receptors, CCR1
- Receptors, CCR2
- Receptors, CCR3
- Receptors, CCR4
- Receptors, CCR5
- Receptors, CCR6
- Receptors, CCR7
- Receptors, CCR8
- Receptors, CCR10
- Receptors, Cell Surface
- Receptors, Chemokine
- Receptors, Cholecystokinin
- Receptors, Cholinergic
- Receptors, Collagen
- Receptors, Colony-Stimulating Factor
- Receptors, Complement
- Receptors, Complement 3b
- Receptors, Complement 3d
- Receptors, Concanavalin A
- Receptors, Corticotropin
- Receptors, Corticotropin-Releasing Hormone
- Receptors, CXCR
- Receptors, CXCR3
- Receptors, CXCR4
- Receptors, CXCR5
- Receptors, Cyclic AMP
- Receptors, Cytoadhesin
- Receptors, Cytokine
- Receptors, Cytoplasmic and Nuclear
- Receptors, Death Domain
- Receptors, Dopamine
- Receptors, Dopamine D1
- Receptors, Dopamine D2
- Receptors, Dopamine D3
- Receptors, Dopamine D4
- Receptors, Dopamine D5
- Receptors, Drug
- Receptors, Ectodysplasin
- Receptors, Eicosanoid
- Receptors, Endothelin
- Receptors, Eph Family
- Receptors, Epoprostenol
- Receptors, Erythropoietin
- Receptors, Estradiol
- Receptors, Estrogen
- Receptors, Fc
- Receptors, Fibrinogen
- Receptors, Fibroblast Growth Factor
- Receptors, Fibronectin
- Receptors, Formyl Peptide
- Receptors, FSH
- Receptors, G-Protein-Coupled
- Receptors, GABA
- Receptors, GABA-A
- Receptors, GABA-B
- Receptors, Galanin
- Receptors, Gastrointestinal Hormone
- Receptors, Ghrelin
- Receptors, Glucagon
- Receptors, Glucocorticoid
- Receptors, Glutamate
- Receptors, Glycine
- Receptors, Gonadotropin
- Receptors, Granulocyte Colony-Stimulating Factor
- Receptors, Granulocyte-Macrophage Colony-Stimulating Factor
- Receptors, Growth Factor
- Receptors, Guanylate Cyclase-Coupled
- Receptors, Histamine
- Receptors, Histamine H1
- Receptors, Histamine H2
- Receptors, Histamine H3
- Receptors, HIV
- Receptors, IgE
- Receptors, IgG
- Receptors, Immunologic
- Receptors, Interferon
- Receptors, Interleukin
- Receptors, Interleukin-1
- Receptors, Interleukin-1 Type I
- Receptors, Interleukin-1 Type II
- Receptors, Interleukin-2
- Receptors, Interleukin-3
- Receptors, Interleukin-4
- Receptors, Interleukin-4, Type I
- Receptors, Interleukin-4, Type II
- Receptors, Interleukin-5
- Receptors, Interleukin-6
- Receptors, Interleukin-7
- Receptors, Interleukin-8
- Receptors, Interleukin-8A
- Receptors, Interleukin-8B
- Receptors, Interleukin-9
- Receptors, Interleukin-10
- Receptors, Interleukin-11
- Receptors, Interleukin-12
- Receptors, Interleukin-13
- Receptors, Interleukin-15
- Receptors, Interleukin-16
- Receptors, Interleukin-17
- Receptors, Interleukin-18
- Receptors, Interleukin-21
- Receptors, Invertebrate Peptide
- Receptors, Ionotropic Glutamate
- Receptors, Islet Amyloid Polypeptide
- Receptors, Kainic Acid
- Receptors, KIR
- Receptors, KIR2DL1
- Receptors, KIR2DL2
- Receptors, KIR2DL3
- Receptors, KIR2DL4
- Receptors, KIR2DL5
- Receptors, KIR3DL1
- Receptors, KIR3DL2
- Receptors, KIR3DS1
- Receptors, Laminin
- Receptors, LDL
- Receptors, Leptin
- Receptors, Leukocyte-Adhesion
- Receptors, Leukotriene
- Receptors, Leukotriene B4
- Receptors, LH
- Receptors, LHRH
- Receptors, Lipoprotein
- Receptors, Lipoxin
- Receptors, Lymphocyte Homing
- Receptors, Lysophosphatidic Acid
- Receptors, Lysophospholipid
- Receptors, Lysosphingolipid
- Receptors, Mating Factor
- Receptors, Melanocortin
- Receptors, Melatonin
- Receptors, Metabotropic Glutamate
- Receptors, Mineralocorticoid
- Receptors, Mitogen
- Receptors, Muscarinic
- Receptors, N-Acetylglucosamine
- Receptors, N-Methyl-D-Aspartate
- Receptors, Natural Cytotoxicity Triggering
- Receptors, Natural Killer Cell
- Receptors, Nerve Growth Factor
- Receptors, Neurokinin-1
- Receptors, Neurokinin-2
- Receptors, Neurokinin-3
- Receptors, Neuropeptide
- Receptors, Neuropeptide Y
- Receptors, Neurotensin
- Receptors, Neurotransmitter
- Receptors, Nicotinic
- Receptors, NK Cell Lectin-Like
- Receptors, Notch
- Receptors, Odorant
- Receptors, Oncostatin M
- Receptors, Oncostatin M, Type II
- Receptors, Opioid
- Receptors, Opioid, delta
- Receptors, Opioid, kappa
- Receptors, Opioid, mu
- Receptors, OSM-LIF
- Receptors, OX40
- Receptors, Oxidized LDL
- Receptors, Oxytocin
- Receptors, Pancreatic Hormone
- Receptors, Parathyroid Hormone
- Receptors, Pattern Recognition
- Receptors, Peptide
- Receptors, Phencyclidine
- Receptors, Pheromone
- Receptors, Phospholipase A2
- Receptors, Pituitary Adenylate Cyclase-Activating Polypeptide
- Receptors, Pituitary Adenylate Cyclase-Activating Polypeptide, Type I
- Receptors, Pituitary Hormone
- Receptors, Pituitary Hormone-Regulating Hormone
- Receptors, Platelet-Derived Growth Factor
- Receptors, Polymeric Immunoglobulin
- Receptors, Presynaptic
- Receptors, Progesterone
- Receptors, Prolactin
- Receptors, Prostaglandin
- Receptors, Prostaglandin E
- Receptors, Prostaglandin E, EP1 Subtype
- Receptors, Prostaglandin E, EP2 Subtype
- Receptors, Prostaglandin E, EP3 Subtype
- Receptors, Prostaglandin E, EP4 Subtype
- Receptors, Proteinase-Activated
- Receptors, Purinergic
- Receptors, Purinergic P1
- Receptors, Purinergic P2
- Receptors, Purinergic P2X
- Receptors, Purinergic P2X1
- Receptors, Purinergic P2X2
- Receptors, Purinergic P2X3
- Receptors, Purinergic P2X4
- Receptors, Purinergic P2X5
- Receptors, Purinergic P2X7
- Receptors, Purinergic P2Y
- Receptors, Purinergic P2Y1
- Receptors, Purinergic P2Y2
- Receptors, Purinergic P2Y12
- Receptors, Retinoic Acid
- Receptors, Scavenger
- Receptors, Serotonin
- Receptors, Serotonin, 5-HT1
- Receptors, Serotonin, 5-HT2
- Receptors, Serotonin, 5-HT3
- Receptors, Serotonin, 5-HT4
- Receptors, sigma
- Receptors, Somatomedin
- Receptors, Somatostatin
- Receptors, Somatotropin
- Receptors, Steroid
- Receptors, Tachykinin
- Receptors, Thrombin
- Receptors, Thrombopoietin
- Receptors, Thromboxane
- Receptors, Thromboxane A2, Prostaglandin H2
- Receptors, Thyroid Hormone
- Receptors, Thyrotropin
- Receptors, Thyrotropin-Releasing Hormone
- Receptors, TIE
- Receptors, TNF-Related Apoptosis-Inducing Ligand
- Receptors, Transferrin
- Receptors, Transforming Growth Factor beta
- Receptors, Tumor Necrosis Factor
- Receptors, Tumor Necrosis Factor, Member 6b
- Receptors, Tumor Necrosis Factor, Member 10c
- Receptors, Tumor Necrosis Factor, Member 14
- Receptors, Tumor Necrosis Factor, Member 25
- Receptors, Tumor Necrosis Factor, Type I
- Receptors, Tumor Necrosis Factor, Type II
- Receptors, Urokinase Plasminogen Activator
- Receptors, Vascular Endothelial Growth Factor
- Receptors, Vasoactive Intestinal Peptide
- Receptors, Vasoactive Intestinal Peptide, Type II
- Receptors, Vasoactive Intestinal Polypeptide, Type I
- Receptors, Vasopressin
- Receptors, Very Late Antigen
- Receptors, Virus
- Receptors, Vitronectin
- Receptors, Wnt
- Recognition (Psychology)
- Recombinant Fusion Proteins
- Recombinant Proteins
- Recombinases
- Recombination, Genetic
- Recombinational DNA Repair
- Recommended Dietary Allowances
- Reconstructive Surgical Procedures
- Records as Topic
- Recoverin
- Recovery of Function
- Recovery Room
- RecQ Helicases
- Recreation
- Recreation Therapy
- Recruitment Detection, Audiologic
- Recruitment, Neurophysiological
- Rectal Absorption
- Rectal Diseases
- Rectal Fistula
- Rectal Neoplasms
- Rectal Prolapse
- Rectocele
- Rectovaginal Fistula
- Rectum
- Rectus Abdominis
- Recurrence
- Recurrent Laryngeal Nerve
- Recurrent Laryngeal Nerve Injuries
- Recycling
- Red Cross
- Red Meat
- Red Nucleus
- Red-Cell Aplasia, Pure
- Reduced Folate Carrier Protein
- Reducing Agents
- Reduviidae
- Reed-Sternberg Cells
- Refeeding Syndrome
- Reference Books
- Reference Books, Medical
- Reference Standards
- Reference Values
- Referral and Consultation
- Reflex
- Reflex Sympathetic Dystrophy
- Reflex, Abdominal
- Reflex, Abnormal
- Reflex, Acoustic
- Reflex, Babinski
- Reflex, Monosynaptic
- Reflex, Oculocardiac
- Reflex, Pupillary
- Reflex, Righting
- Reflex, Startle
- Reflex, Stretch
- Reflex, Trigeminocardiac
- Reflex, Vestibulo-Ocular
- Reflexotherapy
- Refraction, Ocular
- Refractive Errors
- Refractive Surgical Procedures
- Refractometry
- Refractory Period, Electrophysiological
- Refractory Period, Psychological
- Refrigeration
- Refsum Disease
- Refsum Disease, Infantile
- Refugees
- Refugium
- Refusal to Participate
- Refusal to Treat
- Refuse Disposal
- Regeneration
- Regenerative Medicine
- Regional Blood Flow
- Regional Health Planning
- Regional Medical Programs
- Registries
- Regression (Psychology)
- Regression Analysis
- Regulatory Elements, Transcriptional
- Regulatory Factor X Transcription Factors
- Regulatory Factor X1
- Regulatory Sequences, Nucleic Acid
- Regulatory Sequences, Ribonucleic Acid
- Regulon
- Rehabilitation
- Rehabilitation Centers
- Rehabilitation Nursing
- Rehabilitation of Speech and Language Disorders
- Rehabilitation Research
- Rehabilitation, Vocational
- Rehmannia
- Rehydration Solutions
- Reimbursement Mechanisms
- Reimbursement, Disproportionate Share
- Reimbursement, Incentive
- Reindeer
- Reinforcement (Psychology)
- Reinforcement Schedule
- Reinforcement, Social
- Reinforcement, Verbal
- Reishi
- Rejection (Psychology)
- Rejuvenation
- Relapsing Fever
- Relative Biological Effectiveness
- Relative Value Scales
- Relaxation
- Relaxation Therapy
- Relaxin
- Relief Work
- Religion
- Religion and Medicine
- Religion and Psychology
- Religion and Science
- Religion and Sex
- Religious Missions
- Religious Personnel
- Religious Philosophies
- REM Sleep Behavior Disorder
- REM Sleep Parasomnias
- Remedial Teaching
- Reminder Systems
- Remission Induction
- Remission, Spontaneous
- Remote Consultation
- Remote Sensing Technology
- Remoxipride
- Remuneration
- Renal Agents
- Renal Aminoacidurias
- Renal Artery
- Renal Artery Obstruction
- Renal Blood Flow, Effective
- Renal Circulation
- Renal Colic
- Renal Dialysis
- Renal Elimination
- Renal Insufficiency
- Renal Insufficiency, Chronic
- Renal Nutcracker Syndrome
- Renal Plasma Flow
- Renal Plasma Flow, Effective
- Renal Reabsorption
- Renal Replacement Therapy
- Renal Tubular Transport, Inborn Errors
- Renal Veins
- Renewable Energy
- Renilla
- Renin
- Renin-Angiotensin System
- Renshaw Cells
- Reoperation
- Reoviridae
- Reoviridae Infections
- Reperfusion
- Reperfusion Injury
- Repetition Priming
- Repetitive Sequences, Amino Acid
- Repetitive Sequences, Nucleic Acid
- Replantation
- Replica Techniques
- Replication Origin
- Replication Protein A
- Replication Protein C
- Replicon
- Repression, Psychology
- Repression-Sensitization
- Repressor Proteins
- Reproducibility of Results
- Reproduction
- Reproduction, Asexual
- Reproductive and Urinary Physiological Phenomena
- Reproductive Behavior
- Reproductive Control Agents
- Reproductive Health
- Reproductive Health Services
- Reproductive History
- Reproductive Isolation
- Reproductive Medicine
- Reproductive Physiological Phenomena
- Reproductive Rights
- Reproductive Techniques
- Reproductive Techniques, Assisted
- Reproductive Tract Infections
- Reptiles
- Reptilian Proteins
- Republic of Belarus
- Republic of Korea
- Rescue Work
- Research
- Research Design
- Research Embryo Creation
- Research Personnel
- Research Report
- Research Subjects
- Research Support as Topic
- Research Support, American Recovery and Reinvestment Act
- Research Support, N.I.H., Extramural
- Research Support, N.I.H., Intramural
- Research Support, Non-U.S. Gov't
- Research Support, U.S. Gov't, Non-P.H.S.
- Research Support, U.S. Gov't, P.H.S.
- Research Support, U.S. Government
- Researcher-Subject Relations
- Resedaceae
- Reserpine
- Residence Characteristics
- Residential Facilities
- Residential Treatment
- Residual Volume
- Resilience, Psychological
- Resin Cements
- Resins, Plant
- Resins, Synthetic
- Resistance Training
- Resistin
- Resorcinols
- Resource Allocation
- Resource Guides
- Respiration
- Respiration Disorders
- Respiration, Artificial
- Respiratory Aspiration
- Respiratory Aspiration of Gastric Contents
- Respiratory Burst
- Respiratory Care Units
- Respiratory Center
- Respiratory Dead Space
- Respiratory Distress Syndrome, Adult
- Respiratory Distress Syndrome, Newborn
- Respiratory Function Tests
- Respiratory Hypersensitivity
- Respiratory Insufficiency
- Respiratory Mechanics
- Respiratory Mucosa
- Respiratory Muscles
- Respiratory Paralysis
- Respiratory Physiological Phenomena
- Respiratory Protective Devices
- Respiratory Rate
- Respiratory Sinus Arrhythmia
- Respiratory Sounds
- Respiratory Syncytial Virus Infections
- Respiratory Syncytial Virus Vaccines
- Respiratory Syncytial Virus, Bovine
- Respiratory Syncytial Virus, Human
- Respiratory Syncytial Viruses
- Respiratory System
- Respiratory System Abnormalities
- Respiratory System Agents
- Respiratory Therapy
- Respiratory Therapy Department, Hospital
- Respiratory Tract Absorption
- Respiratory Tract Diseases
- Respiratory Tract Fistula
- Respiratory Tract Infections
- Respiratory Tract Neoplasms
- Respiratory Transport
- Respiratory-Gated Imaging Techniques
- Respirovirus
- Respirovirus Infections
- Respite Care
- Response Elements
- Response Evaluation Criteria in Solid Tumors
- Rest
- Restaurants
- Resting Phase, Cell Cycle
- Restless Legs Syndrome
- Restraint, Physical
- Restriction Mapping
- Resuscitation
- Resuscitation Orders
- Rete Testis
- Retention (Psychology)
- Reticular Formation
- Reticulin
- Reticulocyte Count
- Reticulocytes
- Reticulocytosis
- Reticuloendotheliosis virus
- Reticuloendotheliosis Viruses, Avian
- Reticuloendotheliosis, Avian
- Reticulum
- Retina
- Retinal Artery
- Retinal Artery Occlusion
- Retinal Bipolar Cells
- Retinal Cone Photoreceptor Cells
- Retinal Degeneration
- Retinal Dehydrogenase
- Retinal Detachment
- Retinal Diseases
- Retinal Drusen
- Retinal Dysplasia
- Retinal Dystrophies
- Retinal Ganglion Cells
- Retinal Hemorrhage
- Retinal Horizontal Cells
- Retinal Necrosis Syndrome, Acute
- Retinal Neoplasms
- Retinal Neovascularization
- Retinal Neurons
- Retinal Perforations
- Retinal Photoreceptor Cell Inner Segment
- Retinal Photoreceptor Cell Outer Segment
- Retinal Pigment Epithelium
- Retinal Pigments
- Retinal Rod Photoreceptor Cells
- Retinal Telangiectasis
- Retinal Vasculitis
- Retinal Vein
- Retinal Vein Occlusion
- Retinal Vessels
- Retinaldehyde
- Retinitis
- Retinitis Pigmentosa
- Retinoblastoma
- Retinoblastoma Binding Proteins
- Retinoblastoma Protein
- Retinoblastoma-Binding Protein 1
- Retinoblastoma-Binding Protein 2
- Retinoblastoma-Binding Protein 4
- Retinoblastoma-Binding Protein 7
- Retinoblastoma-Like Protein p107
- Retinoblastoma-Like Protein p130
- Retinoic Acid 4-Hydroxylase
- Retinoic Acid Receptor alpha
- Retinoid X Receptor alpha
- Retinoid X Receptor beta
- Retinoid X Receptor gamma
- Retinoid X Receptors
- Retinoids
- Retinol O-Fatty-Acyltransferase
- Retinol-Binding Proteins
- Retinol-Binding Proteins, Cellular
- Retinol-Binding Proteins, Plasma
- Retinopathy of Prematurity
- Retinoschisis
- Retinoscopes
- Retinoscopy
- Retirement
- Retortamonadidae
- Retracted Publication
- Retraction of Publication
- Retraction of Publication as Topic
- Retreatment
- Retrobulbar Hemorrhage
- Retrocaval Ureter
- Retrocochlear Diseases
- Retroelements
- Retrognathia
- Retrograde Degeneration
- Retrograde Obturation
- Retroperitoneal Fibrosis
- Retroperitoneal Neoplasms
- Retroperitoneal Space
- Retropharyngeal Abscess
- Retropneumoperitoneum
- Retrospective Moral Judgment
- Retrospective Studies
- Retroviridae
- Retroviridae Infections
- Retroviridae Proteins
- Retroviridae Proteins, Oncogenic
- Retroviruses, Simian
- Rett Syndrome
- Return to Sport
- Return to Work
- Reunion
- rev Gene Products, Human Immunodeficiency Virus
- Reversal Learning
- Reverse Genetics
- Reverse Transcriptase Inhibitors
- Reverse Transcriptase Polymerase Chain Reaction
- Reverse Transcription
- Review
- Review Literature as Topic
- Reward
- Rewarming
- Reye Syndrome
- RGS Proteins
- Rh Isoimmunization
- Rh-Hr Blood-Group System
- Rhabdiasoidea
- Rhabditida
- Rhabditida Infections
- Rhabditoidea
- Rhabdoid Tumor
- Rhabdomyolysis
- Rhabdomyoma
- Rhabdomyosarcoma
- Rhabdomyosarcoma, Alveolar
- Rhabdomyosarcoma, Embryonal
- Rhabdoviridae
- Rhabdoviridae Infections
- Rhadinovirus
- Rhamnaceae
- Rhamnose
- Rhamnus
- Rheiformes
- Rhenium
- Rheology
- Rheum
- Rheumatic Diseases
- Rheumatic Fever
- Rheumatic Heart Disease
- Rheumatic Nodule
- Rheumatoid Factor
- Rheumatoid Nodule
- Rheumatoid Vasculitis
- Rheumatologists
- Rheumatology
- Rhinitis
- Rhinitis, Allergic
- Rhinitis, Allergic, Perennial
- Rhinitis, Allergic, Seasonal
- Rhinitis, Atrophic
- Rhinitis, Vasomotor
- Rhinomanometry
- Rhinometry, Acoustic
- Rhinophyma
- Rhinoplasty
- Rhinoscleroma
- Rhinosporidiosis
- Rhinosporidium
- Rhinovirus
- Rhipicephalus
- Rhipicephalus sanguineus
- Rhizaria
- Rhizobiaceae
- Rhizobium
- Rhizobium etli
- Rhizobium leguminosarum
- Rhizobium phaseoli
- Rhizobium tropici
- Rhizoctonia
- Rhizome
- Rhizomucor
- Rhizophoraceae
- Rhizopus
- Rhizosphere
- Rhizotomy
- Rho Factor
- rho GTP-Binding Proteins
- rho Guanine Nucleotide Dissociation Inhibitor alpha
- rho Guanine Nucleotide Dissociation Inhibitor beta
- rho Guanine Nucleotide Dissociation Inhibitor gamma
- Rho Guanine Nucleotide Exchange Factors
- Rho(D) Immune Globulin
- rho-Associated Kinases
- rho-Specific Guanine Nucleotide Dissociation Inhibitors
- rhoA GTP-Binding Protein
- rhoB GTP-Binding Protein
- Rhodamine 123
- Rhodamines
- Rhodanine
- Rhode Island
- Rhodiola
- Rhodium
- Rhodnius
- Rhodobacter
- Rhodobacter capsulatus
- Rhodobacter sphaeroides
- Rhodobacteraceae
- Rhodococcus
- Rhodococcus equi
- Rhodocyclaceae
- Rhododendron
- Rhodomicrobium
- Rhodophyta
- Rhodopseudomonas
- Rhodopsin
- Rhodopsins, Microbial
- Rhodospirillaceae
- Rhodospirillales
- Rhodospirillum
- Rhodospirillum centenum
- Rhodospirillum rubrum
- Rhodothermus
- Rhodotorula
- Rhodovulum
- Rhombencephalon
- Rhus
- Rhytidoplasty
- Rib Cage
- Rib Fractures
- Ribavirin
- Ribes
- Ribitol
- Riboflavin
- Riboflavin Deficiency
- Riboflavin Synthase
- Ribonuclease H
- Ribonuclease H, Human Immunodeficiency Virus
- Ribonuclease III
- Ribonuclease P
- Ribonuclease T1
- Ribonuclease, Pancreatic
- Ribonucleases
- Ribonucleoprotein, U1 Small Nuclear
- Ribonucleoprotein, U2 Small Nuclear
- Ribonucleoprotein, U4-U6 Small Nuclear
- Ribonucleoprotein, U5 Small Nuclear
- Ribonucleoprotein, U7 Small Nuclear
- Ribonucleoproteins
- Ribonucleoproteins, Small Cytoplasmic
- Ribonucleoproteins, Small Nuclear
- Ribonucleoproteins, Small Nucleolar
- Ribonucleoside Diphosphate Reductase
- Ribonucleosides
- Ribonucleotide Reductases
- Ribonucleotides
- Ribose
- Ribose-Phosphate Pyrophosphokinase
- Ribosemonophosphates
- Ribosomal Protein S6
- Ribosomal Protein S6 Kinases
- Ribosomal Protein S6 Kinases, 70-kDa
- Ribosomal Protein S6 Kinases, 90-kDa
- Ribosomal Proteins
- Ribosome Inactivating Proteins
- Ribosome Inactivating Proteins, Type 1
- Ribosome Inactivating Proteins, Type 2
- Ribosome Subunits
- Ribosome Subunits, Large
- Ribosome Subunits, Large, Archaeal
- Ribosome Subunits, Large, Bacterial
- Ribosome Subunits, Large, Eukaryotic
- Ribosome Subunits, Small
- Ribosome Subunits, Small, Archaeal
- Ribosome Subunits, Small, Bacterial
- Ribosome Subunits, Small, Eukaryotic
- Ribosomes
- Ribostamycin
- Riboswitch
- Ribotyping
- Ribs
- Ribulose-Bisphosphate Carboxylase
- Ribulosephosphates
- Ricin
- Ricinoleic Acids
- Ricinus
- Rickets
- Rickets, Hypophosphatemic
- Rickettsia
- Rickettsia akari
- Rickettsia conorii
- Rickettsia felis
- Rickettsia Infections
- Rickettsia prowazekii
- Rickettsia rickettsii
- Rickettsia typhi
- Rickettsiaceae
- Rickettsiaceae Infections
- Rickettsial Vaccines
- Rickettsieae
- Riemerella
- Rifabutin
- Rifampin
- Rifamycins
- Rift Valley Fever
- Rift Valley fever virus
- Right to Die
- Rigor Mortis
- Rilpivirine
- Riluzole
- Rimantadine
- Rinderpest
- Rinderpest virus
- Ring Chromosomes
- RING Finger Domains
- Rioprostil
- Riot Control Agents, Chemical
- Riots
- Risedronate Sodium
- Risk
- Risk Adjustment
- Risk Assessment
- Risk Factors
- Risk Management
- Risk Reduction Behavior
- Risk Sharing, Financial
- Risk-Taking
- Risperidone
- Ristocetin
- Ritanserin
- Ritodrine
- Ritonavir
- Rituximab
- Rivaroxaban
- Rivastigmine
- Rivers
- RNA
- RNA 3' End Processing
- RNA 3' Polyadenylation Signals
- RNA 5' Terminal Oligopyrimidine Sequence
- RNA Cap Analogs
- RNA Cap-Binding Proteins
- RNA Caps
- RNA Cleavage
- RNA Editing
- RNA Folding
- RNA Helicases
- RNA Interference
- RNA Isoforms
- RNA Ligase (ATP)
- RNA Nucleotidyltransferases
- RNA Phages
- RNA Polymerase I
- RNA Polymerase II
- RNA Polymerase III
- RNA Polymerase Sigma 54
- RNA Precursors
- RNA Probes
- RNA Processing, Post-Transcriptional
- RNA Recognition Motif
- RNA Recognition Motif Proteins
- RNA Replicase
- RNA Splice Sites
- RNA Splicing
- RNA Splicing Factors
- RNA Stability
- RNA Transport
- RNA Virus Infections
- RNA Viruses
- RNA, Algal
- RNA, Antisense
- RNA, Archaeal
- RNA, Bacterial
- RNA, Catalytic
- RNA, Chloroplast
- RNA, Complementary
- RNA, Double-Stranded
- RNA, Fungal
- RNA, Guide
- RNA, Helminth
- RNA, Heterogeneous Nuclear
- RNA, Long Noncoding
- RNA, Messenger
- RNA, Messenger, Stored
- RNA, Neoplasm
- RNA, Nuclear
- RNA, Plant
- RNA, Protozoan
- RNA, Ribosomal
- RNA, Ribosomal, 5.8S
- RNA, Ribosomal, 5S
- RNA, Ribosomal, 16S
- RNA, Ribosomal, 18S
- RNA, Ribosomal, 23S
- RNA, Ribosomal, 28S
- RNA, Ribosomal, Self-Splicing
- RNA, Satellite
- RNA, Small Cytoplasmic
- RNA, Small Interfering
- RNA, Small Nuclear
- RNA, Small Nucleolar
- RNA, Small Untranslated
- RNA, Spliced Leader
- RNA, Transfer
- RNA, Transfer, Ala
- RNA, Transfer, Amino Acid-Specific
- RNA, Transfer, Amino Acyl
- RNA, Transfer, Arg
- RNA, Transfer, Asn
- RNA, Transfer, Asp
- RNA, Transfer, Cys
- RNA, Transfer, Gln
- RNA, Transfer, Glu
- RNA, Transfer, Gly
- RNA, Transfer, His
- RNA, Transfer, Ile
- RNA, Transfer, Leu
- RNA, Transfer, Lys
- RNA, Transfer, Met
- RNA, Transfer, Phe
- RNA, Transfer, Pro
- RNA, Transfer, Ser
- RNA, Transfer, Thr
- RNA, Transfer, Trp
- RNA, Transfer, Tyr
- RNA, Transfer, Val
- RNA, Untranslated
- RNA, Viral
- RNA-Binding Motifs
- RNA-Binding Protein EWS
- RNA-Binding Protein FUS
- RNA-Binding Proteins
- RNA-Directed DNA Polymerase
- RNA-Induced Silencing Complex
- RNAi Therapeutics
- Robenidine
- Robinia
- Robotic Surgical Procedures
- Robotics
- ROC Curve
- Rocky Mountain Spotted Fever
- Rod Cell Outer Segment
- Rod Opsins
- Rod-Cone Interaction
- Rodent Control
- Rodent Diseases
- Rodentia
- Rodenticides
- Role
- Role Playing
- Rolipram
- Rolitetracycline
- Rollinia
- Roma
- Roman World
- Romania
- Romano-Ward Syndrome
- Romanticism
- Rome
- Ronidazole
- Roniviridae
- Rooming-in Care
- Root Canal Filling Materials
- Root Canal Irrigants
- Root Canal Obturation
- Root Canal Preparation
- Root Canal Therapy
- Root Caries
- Root Cause Analysis
- Root Nodules, Plant
- Root Planing
- Root Resorption
- Rorippa
- Rorschach Test
- Rosa
- Rosacea
- Rosaceae
- Rosales
- Rosaniline Dyes
- Rose Bengal
- Roseobacter
- Roseolovirus
- Roseolovirus Infections
- Rosette Formation
- Rosmarinus
- Ross River virus
- Rosuvastatin Calcium
- Rotarod Performance Test
- Rotation
- Rotator Cuff
- Rotator Cuff Injuries
- Rotator Cuff Tear Arthropathy
- Rotavirus
- Rotavirus Infections
- Rotavirus Vaccines
- Rotaxanes
- Rotenone
- Rothmund-Thomson Syndrome
- Rotifera
- Round Ligament of Femur
- Round Ligament of Liver
- Round Ligament of Uterus
- Round Ligaments
- Round Window, Ear
- Rous sarcoma virus
- Roxarsone
- Roxithromycin
- rRNA Operon
- Rubber
- Rubber Dams
- Rubella
- Rubella Syndrome, Congenital
- Rubella Vaccine
- Rubella virus
- Rubia
- Rubiaceae
- Rubidium
- Rubidium Radioisotopes
- Rubinstein-Taybi Syndrome
- Rubivirus
- Rubivirus Infections
- Rubredoxins
- Rubulavirus
- Rubulavirus Infections
- Rubus
- Rudbeckia
- Rudiviridae
- Rumen
- Rumex
- Ruminants
- Ruminococcus
- Runaway Behavior
- Running
- Rupicapra
- Rupture
- Rupture, Spontaneous
- Rural Health
- Rural Health Services
- Rural Nursing
- Rural Population
- Ruscus
- Russell's Viper
- Russia
- Russia (Pre-1917)
- Russian-Japanese War
- Ruta
- Rutaceae
- Rutamycin
- Ruthenium
- Ruthenium Compounds
- Ruthenium Radioisotopes
- Ruthenium Red
- Rutin
- Rwanda
- RxNorm
- Ryania
- Ryanodine
- Ryanodine Receptor Calcium Release Channel