Articles: R
- Rabbits
- Rabies
- Races
- Radial Nerve
- Radiant Energy
- Radiation
- Radicals
- Radicotomy
- Radiculitis
- Radioactive Sources
- Radioactivity
- Radiocarpal Joint
- Radiodiagnosis
- Radiotherapy
- Radiotherapy (Contents)
- Radium → see Radioactivity
- Raging
- Railroads
- Railway Carriage
- Railway Station
- Rain Gauge
- Ram Nose
- Ramazzini, Bernardino
- Ramicotomy
- Ranula
- Rape
- Raptus
- RASH
- Raspail's Sedative Water
- Raspberry
- Rat Typhoid
- Ratany
- Ration
- Rationalization of Labor → see Labor
- Rats
- Rattlesnakes
- Rauber
- Raukhfus
- Ray Hardness
- Raynaud's Disease
- Razor
- Razumovsky, Vasily Ivanovich
- Reaction of the Medium
- Reaction Time
- Reactive States
- Ready-made Remedies
- Reagents
- Reamputation
- Reasoning (Psychiatry) and Resorbin
- Recall
- Receptive Tubercle → see Fertilization
- Receptor
- Recessive
- Recharging of Colloids
- Recovery
- Rectal Prolapse
- Rectoscopy
- Rectum
- Recurrent Nerve
- Recurrent Nerve (see Nervus recurrens)
- Recurrent Paralysis
- Recurrent Sensitivity
- Red Blood Cells → see Erythrocytes
- Red Cross
- Redressment and Reduction Division
- Reduced Circulation
- Reduced Eye
- Reduction
- Reduction (or restoration, is a chemical process)
- Reflector
- Reflexes
- Reflexology
- Reflux
- Refraction
- Refraction of Light
- Refractometry
- Refractory Phase
- Refrigerators
- Refugee Movement
- Refuse
- Regeneration
- Registration
- Regression
- Reichenhall
- Rein, Fyodor Alexandrovich
- Reinblau
- Rejuvenation
- Rekoss Disc
- Relapse
- Relapsing Fever
- Remak's Paralysis
- Remission
- Renaut's Membrane
- René Laennec
- René Leriche
- Rennin → see Chymosin
- Reotom
- Representation
- Representative Functions
- Reproduction
- Reptiles
- Research → see Obstetric Examination, Gynecological Examination
- Research Institutes
- Resection
- Reserve Alkalinity
- Reservoirs
- Resettlement
- Resins and Snegirev, Vladimir Fedorovich
- Resonance
- Resonator
- Resorcinol
- Respiration
- Respiratory Muscles
- Respiratory Organs
- Respiratory Quotient
- Respiratory Sounds
- Rest
- Rest Home
- Retention
- Reticence
- Reticuloendothelial Apparatus
- Reticulo-Endotheliosis
- Retina
- Retinal Angiomatosis
- Retinitis
- Retraction
- Retroflexion of the Uterus
- Retrogenia and Retrognathia
- Retroperitoneal Space
- Retropharyngeal Space
- Retro-pulsion
- Retroversion Of Uterus
- Retzius
- Reverdin
- Reversible Reactions
- Rhabditis
- Rhabdomyoma
- Rhachipagus
- Rhagades
- Rheochord
- Rheometers
- Rheumatism
- Rhinitis
- Rhinolith
- Rhinophyma
- Rhinoplasty
- Rhinoscleroma → see Scleroma
- Rhinoscopy
- Rhodamines
- Rhombencephalon
- Rhonchi
- Rhubarb
- Ribs
- Rice Bodies
- Richard Willstätter
- Riche
- Richter
- Richter's Hernia
- Ricker's Law
- Rickets
- Ricord
- Rieder Cells
- Riga Seashore
- Right-Handedness
- Rigor Mortis → see Muscles, Cadaver
- Ringer's Solution
- Rinne Test
- Rivanol
- Riviera
- Robert Magnus
- Robert Meyer
- Robert Rossle
- Robin Space
- Rodent Ulcer
- Rodents
- Roentgenology
- Rokitansky's Law
- Roller
- Rollier, Auguste; Romanovsky, Dmitry Leonidovich
- Roman Albertovich Luria
- Romania
- Romberg
- Romberg's Sign
- Rongalite
- Röntgen
- Room Moisture
- Ropey Bread
- Rorschach Test
- Rosaniline
- Rose, Wind Rose, and Rozanov
- Rosemary
- Roseola
- Roser-Nélaton Line
- Rosin and Cannizzaro Reaction
- Rosolic Acid
- Rossolimo, Grigory Ivanovich
- Rossolimo Instruments
- Rossolimo Methods
- Rossolimo Neuritis
- Rossolimo Reflex
- Rotation
- Rotation Experiment → see Vestibular Examination Methods
- Rotation of the Plane of Polarization
- Rotifers
- Royal Aqua
- Rubber
- Rubber Production
- Rubbing
- Rubble Stone
- Rubella
- Rubidium
- Rubinstein
- Rubner, Max
- Rudimentary
- Rudnev, Mikhail Matveyevich
- Rudolf Albert von Kölliker
- Rudolf Kraus
- Rudolf Martin
- Rudolf Virchow
- Rudolphi, Karl Asmund / Hand
- Rue
- Rügen
- Ruminants
- Rumination
- Running
- Rupia
- Rusakov
- Russel Bodies
- Russian Rhinoestrus Fly
- Ruszel-Sudzilovsky