Research Consent Glossary

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R

Rachiotomy - Surgery to cut into a bone or bones of the spine

Rachischisis - Birth defect in which there is a groove in the spine

Radial Keratotomy - Surgery to fix nearsightedness

Radiculitis - Inflammation of a spinal nerve root

Radioimmunoassay (RIA) - Laboratory method to measure a substance, such as a (RIA)

hormone

Radius - One of the two lower arm bones

Random - By chance, like the flip of a coin or roll of a dice BBC See red blood cell (RBC)

Rectal Administration - Giving a substance by putting it into the rectum

Rectocele - Bulging of the rectum into the vagina

Rectouterine Pouch - Pouch in the area between the uterus and the rectum

Red Blood Cell (RBC) - A cell in blood that carries oxygen

Red Blood Cell Count - The number of red blood cells in the blood

Red Blood Cell - The size and shape of individual red blood cells as seen Morphology under a microscope Relapse return of disease

Reimburse - Pay you

Require - Need

Related to - The result of, caused by

Remission - Condition that occurs when signs of an illness are decreased or gone

Renal - Having to do with the kidney

Renal Biopsy - Removing a piece of kidney tissue to look at it under a microscope

Renal Calculi - Kidney stones

Renal Pelvis - Place where urine leaves the kidney

Renal - Transplant Kidney transplant

Renogram - X-ray to check kidney function by measuring how fast a dye passes through the kidneys and to the urinary bladder

Reproduction - Making babies

Reproductive - Having to do with reproduction

Resectoscope - Tool used to remove or biopsy tissue from the urinary bladder, prostate, or urethra

Retina - Innermost layer of the eye

Retinal - Having to do with the retina

Retinal Photocoagulation - Use of a laser light to treat disorders of the retina or tumors in the eye

Retinitis Pigmentosa - Eye disorder in which the retina atrophies and vision gradually worsens

Retinoblastoma - Cancer in the eye growing off of the retina

Retractor - Tool used for holding back tissue

Retrograde Pyelogram - X-ray of the kidney and ureter made by injecting dye backward into the ureter

Retrospective - Looking back over past experience

Reye's Syndrome - Serious disorder of children, which often occurs after a viral infection, affecting the brain, liver, and other body organs

Rhabdomyoma - Benign tumor of a muscle

Rhabdomyosarcoma - Cancer of a muscle

Rheumatic Fever - Bacteria disease in which there is fever and inflammation of the heart, blood vessels, and joints

Rheumatic Heart - Damage to the heart caused by rheumatic fever, especially Disease deformed heart valves

Rheumatoid - Type of chronic arthritis seen in children and adults in Arthritis many joints can be painful and the cause is not known

Rheumatoid Factor - Substance in blood that is measured to check for rheumatoid arthritis

Rhinits - Inflammation of the nose

Rhinomycosis - Fungus infection in the nose

Rhinoplasty - Surgery to fix the nose

Rhinorrhagia - Nosebleed

Rhinorrhea - Runny nose

Rhizotomy - Surgery to cut apart a nerve root

Rhytidectomy - Surgery to remove wrinkles from the face

RIA - See radioimmunoassay (RIA)

Rongeur - Tool used for cutting hard tissue, such as bone