| radiographic magnification | Use of optic and geometric techniques to enhance radiographic image quality and interpretation. It includes use of microfocal X-ray tubes and intensifying fluoroscopic screens. (12 Dec 1998) |
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| radiographic parallel line shadows | The images of bronchial walls, usually thickened; colloq., British. Synonym: radiographic parallel line shadows. (05 Mar 2000) |
| radiography | <investigation, procedure> The making of film records (radiographs) of internal structures of the body by passage of X-rays or gamma rays through the body to act on specially sensitised film. Origin: Gr. Graphein = to write (18 Nov 1997) |
| radiography, abdominal | Radiographic visualization of the body between the thorax and the pelvis, i.e., within the peritoneal cavity. (12 Dec 1998) |
| radiography, bitewing | Technique involving the passage of X-rays through oral structures to create a film record while a central tab or wing of dental X-ray film is being held between upper and lower teeth. (12 Dec 1998) |
| radiography, dental | Radiographic techniques used in dentistry. (12 Dec 1998) |
| radiography, dental, digital | A rapid, low-dose, digital imaging system using a small intraoral sensor instead of radiographic film, an intensifying screen, and a charge-coupled device. It presents the possibility of reduced patient exposure and minimal distortion, although resolution and latitude are inferior to standard dental radiography. A receiver is placed in the mouth, routing signals to a computer which images the signals on a screen or in print. It includes digitizing from X-ray film or any other detector. (12 Dec 1998) |
| radiography, dual-energy scanned projection | A method of producing a high-quality scan by digitizing and subtracting the images produced by high- and low-energy X-rays. (12 Dec 1998) |
| radiography, interventional | Diagnostic and therapeutic procedures that are invasive or surgical in nature, and require the expertise of a specially trained radiologist. In general, they are more invasive than diagnostic imaging but less invasive than major surgery. They often involve catheterization, fluoroscopy, or computed tomography. Some examples include percutaneous transhepatic cholangiography, percutaneous transthoracic biopsy, balloon angioplasty, and arterial embolization. (12 Dec 1998) |
| radiography, panoramic | Extraoral body-section radiography depicting an entire maxilla, or both maxilla and mandible, on a single film. (12 Dec 1998) |
| radiography, thoracic | X-ray visualization of the chest and organs of the thoracic cavity. It is not restricted to visualization of the lungs. (12 Dec 1998) |
| radiohumeral | Relating to the radius and the humerus; denoting the articulation between them. (05 Mar 2000) |
| radioimmunity | Lessened sensitivity to radiation. (05 Mar 2000) |
| radioimmunoassay | <investigation, technique> Any system for testing antigen antibody reactions in which use is made of radioactive labelling of antigen or antibody to detect the extent of the reaction. (18 Nov 1997) |
| radioimmunodetection | Use of radiolabelled antibodies for diagnostic imaging of neoplasms. Antitumour antibodies are labelled with diverse radionuclides including iodine-131, iodine-123, indium-111, or technetium-99m and injected into the patient. Images are obtained by a scintillation camera. (12 Dec 1998) |
Synonyms : Analyses, Radioimmunoprecipitation, Analysis, Radioimmunoprecipitation, Assay, Farr, Assay, Radioimmunoprecipitation, Assays, Radioimmunoprecipitation, Radioimmunoprecipitation Analyses, Radioimmunoprecipitation Assays
Synonyms : Radioimmunosorbent Tests, Test, Radioimmunosorbent, Tests, Radioimmunosorbent
Synonyms : Immunoradiotherapy, Immunoradiotherapies, Radioimmunotherapies
Synonyms : Radioisotope Dilution Technic, Dilution Technic, Radioisotope, Dilution Technics, Radioisotope, Dilution Technique, Radioisotope, Dilution Techniques, Radioisotope, Radioisotope Dilution Technics, Radioisotope Dilution Techniques
Synonyms : Radioisotope Renographies, Renographies, Renographies, Radioisotope, Renography, Radioisotope
| radioresistance |
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| radiosensitizer |
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| radiotropic |
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| radiostereoscopy |
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| radiotropism |
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| RADIO | the chemistry of radioactive substances |
|---|---|
| RADIO | a radioactive isotope of chlorine |
| RADIO | medium for communication |
| RADIO | a photographic image produced on a radiosensitive surface by radiation other than visible light (especially by X-rays or gamma rays) |
| RADIO | a message transmitted by wireless telegraphy |
| RADIO | a photographic image produced on a radiosensitive surface by radiation other than visible light (especially by X-rays or gamma rays) |
| RADIO | a person who makes radiographs |
| RADIO | relating to or produced by radiography |
| RADIO | photography that uses other kinds of radiation than visible light |
| RADIO | the process of making a radiograph |
| RADIO | immunoassay of a substance that has been radioactively labeled |
| RADIO | a radioactive isotope of an element |