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radiolucency

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radiolucency
[-lo̅o̅′sənsē]
Etymology: L, radiare + lucere, to shine
the ability of materials of relatively low atomic number to allow most x-rays to pass through them, producing dark images on x-ray film. radiolucent, adj.

radiolucency [ra″de-o-loo´sen-se]
the quality of permitting the passage of radiant energy, such as x-rays, yet offering some resistance to it, the representative areas appearing dark on the exposed film. adj., adj radiolu´cent.

radiolucency (rāˈ·dē·ō·lōōˑ·sen·sē),
n the capability of a substance with a relatively small atomic number to let a large amount of x-rays pass through it, thus producing darkened images on x-ray films.

radiolucency (rā´dēōloo´sensē),
n a radiographic representation of decreased density of hard and soft tissue structures.

radiolucency
the quality of being radiolucent.


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Radiographic changes on CXR associated with COPD are irregular radiolucency of the lung fields, diaphragmatic flattening with blunting of the costophrenic angles, a rapid tapering and peripheral absence of vascular markings and an increased retrosternal airspace seen on the lateral chest film.
PEEK, a type of thermoplastic, is also a popular choice for implants because of its bone-like modulus and radiolucency.
3) Radiographically, both compound and complex odontomas appear as clearly outlined, dense radiopaque lesions surrounded by a thin zone of radiolucency.
 
 
 
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