Radiopacity
Radiopacity (pronounced: ray-dee-oh-pa-city) is a term used in Radiology and Medical Imaging to describe the ability of a substance to absorb or block X-rays. Substances that are radiopaque are visible on X-ray and other radiographic images.
Etymology
The term "Radiopacity" is derived from the Latin word 'radius' meaning 'ray' and the Latin word 'opacus' meaning 'dark'.
Related Terms
- Radiolucent: A term used to describe substances that allow X-rays to pass through and appear dark on the radiographic image.
- Radiodensity: A measure of how much radiation a substance can absorb.
- Contrast Agent: A substance that is often radiopaque and is used to improve the visibility of bodily structures in radiographic imaging.
Usage in Medical Field
In the field of Medicine, radiopacity is a critical property for materials used in certain medical procedures. For example, in Interventional Radiology, radiopaque materials are used in stents and catheters to ensure they can be seen clearly on an X-ray. Similarly, in Dentistry, radiopaque materials are used in fillings and crowns so they can be easily identified on dental X-rays.
See Also
External links
- Medical encyclopedia article on Radiopacity
- Wikipedia's article - Radiopacity
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