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NexiumResearch DefinitionsGlossary
Some words have many meanings. A term will refer the reader to another definition only when the second definition gives additional information about a topic that is directly related to the first term.
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All Definitions A - Z
R
Radiation Therapy
Pronounced - ray-dee-AY-shun
The use of high energy radiation from x-rays, gamma rays, neutrons, and other sources to kill cancer cells and shrink tumors. Radiation may come from a machine outside the body (external beam radiation therapy), or from materials called radioisotopes. Radioisotopes produce radiation and can be placed in or near the tumor or in the area near cancer cells. This type of radiation treatment is called internal radiation therapy, implant radiation, interstitial radiation, or brachytherapy. Systemic radiation therapy uses a radioactive substance, such as a radiolabeled monoclonal antibody, that circulates throughout the body. Also called radiotherapy, irradiation, and x-ray therapy.
Radiotherapy
The treatment of disease with ionizing radiation. Also called radiation therapy.
Receptor
A protein on a cell's surface that allows the cell to identify antigens.
Rectum
Pronounced - REK-tum
The lower end of the large intestine, leading to the anus.
Reflux
Pronounced - REE-fluks
A condition that occurs when gastric juices or small amounts of food from the stomach flow back into the esophagus and mouth. Also called regurgitation.
Reflux Esophagitis
Pronounced - REE-fluks uh-SAW-fuh-JY-tis
Irritation of the esophagus because stomach contents flow back up into the esophagus. Esophagus (also called gullet) is the organ that connects the mouth to the stomach.
Regurgitation
Pronounced - ree-GUR-juh-TAY-shun
To cause to surge back, as partially digested food. Vomit into the back of the throat.
Renal
Pronounced - REE-nul
Of the kidneys. A renal disease is a disease of the kidneys. Renal failure means the kidneys have stopped working properly.
Retrobulbar Neuritis
An inflammatory disorder of the optic nerve that is usually temporary. It causes rapid loss of vision and may cause pain upon moving the eye.
Retrosternal
Behind the sternum, the breastbone. (Sternum: Anatomic name for the breast bone, the long flat bone in the upper middle of the front of the chest).
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Nexium - Esomeprazole
Aciphex - Rabeprazole
Prevacid - Lansoprazole
Prilosec - Omeprazole
Prilosec OCT
Protonix - Pantoprazole
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GERD
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Children 1 - 11 Years Old
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Causes of Heartburn
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Can Flatulence Be Controlled
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Proton Pump Inhibitors
Remedies for GERD
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