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radiant warmer

Also known as an infant warmer, a radiant warmer is a medical apparatus which consists of an open bed with an overhead warmer which is used to keep an infant warm.

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radiation oncology

Radiation oncology is the branch of radiology that uses radiant energy and isotopes in the study and treatment of diseases, especially malignant cancer.

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radiology

Concerned with the use of radiation (such as x-rays) or other imaging technologies (such as ultrasound and magnetic resonance imaging) to diagnose or treat disease.

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radiolucent

Radiodensity is the property of relative transparency to the passage of X-rays through a material. Radiolucent indicates greater transparency to X-ray photons. For example, a radiolucent table permits the passage of x-rays without leaving a shadow on the film. Soft tissues are radiolucent; bones are not.

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radiometry

The measurement of radiation by photography, as in x-ray film and film badge, by Geiger-Mueller tube, and by scintillation counting.

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rebreathing circuit

Breathing circuits used during the administration of anesthesia in which the exhaled gas is recirculated to the patient with CO2 removed.

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reconstructive surgery

A surgical procedure which is performed to correct or repair abnormalities caused by injury, birth defects, disease, infections, or other surgeries. The goal of reconstructive surgery is to restore function and/or appearance to the body.

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reduction mammoplasty

more commonly known as “breast reduction,” a reduction mammoplasty is normally performed as an outpatient procedure. This surgical procedure involves the removal of fat, excess breast tissue, and skin, resulting in a smaller breast size. This procedure is normally performed in women who are experiencing back pain or self-esteen issues due to the size of their breasts.

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reproductive endocrinology

Concerned with the problems related to endocrinology and infertility.

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respiration rate

The number of breaths (inspirations and expirations) in one minute.

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retinoscope

Instruments for retinoscopy that determines the refractive state of the eye. In principle, a retinoscope provides a light source to illuminate the retina, and then locates the aerial image of the retina in space to obtain an index of the refractive quality of the patient's lens system.

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retractor

A surgical instrument used to hold back organs or the edges of an incision.

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reverse trendelenburg

A position in which the lower extremities are lower than the body and head, which are elevated on an inclined plane.

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rheology

The study of the deformation and flow of matter, usually liquids or fluids, and of the plastic flow of solids. The concept covers consistency, dilatancy, liquefaction, resistance to flow, shearing, and viscosity

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rheumatology

Concerned with the diseases of the joints, muscles, bones, and tendons, including arthritis, back pain, and muscle strains.

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rhinolaryngoscope

A rigid medical device used in the examination of the upper respiratory tract. The instrument includes a lamp at the tip for illumination and a built-in optical system.

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rhinoplasty

Often referred to as a “nose job,” rhinoplasty is a type of plastic surgery which is performed to change the structure of the nose either to improve the appearance or to correct a deformity or injury. This procedure can performed to reshape or resize the nose, remove a bump, reshape the tip, improve the angle between the nose and the upper lip, etc.

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Russian forceps

Used for handling tissue. Features broad, spoon-shaped tips, serrated around the edge.

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