Author: Glossary
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Distensibility
The ability to become distended.
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Distemper
In veterinary medicine, one of several viral infections of animals that cause fever, anorexia, and nerve disease.
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Target-skin distance
The distance at which it is safe to deliver an appropriately timed exposure of ionizing radiation for treatment or diagnosis. The distance between the X-ray tube target (anode) and the patient’s skin, where the X-ray beam enters the body.
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Source to image receptor distance
In radiography, the distance from the x-ray tube to the radiographical film or the image digitizer.
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Source-skin distance
In radiologic sciences, the distance from a radiation source to a patient’s skin.
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Source-object distance
The distance between a source of radiation and the object that it images or radiates.
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Object-image receptor distance
In radiography, the distance between the anatomical structure to be imaged and the radiographic image receptor.
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Object film distance
An obsolete term for object-image receptor distance. The distance separating the object or skin from the cassette or film.
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Interpupillary distance
The distance between the centers of the pupils of the eyes.
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Interocular distance
The distance between the eyes.