Opaque
Opaque (pronunciation: /oʊˈpeɪk/; etymology: from Latin opaquus, from ops "sight, view")
Opaque is a term used in various fields of medicine to describe a substance or tissue that is not transparent or translucent. In other words, it does not allow light to pass through. This term is often used in radiology, ophthalmology, and other medical specialties.
Radiology
In Radiology, the term opaque is used to describe substances that do not allow X-rays or other forms of radiation to pass through. This is often used to describe certain types of tissue or substances in the body that appear white or light on an X-ray image. For example, bones are often described as being radiopaque because they absorb X-rays and appear white on an X-ray image.
Ophthalmology
In Ophthalmology, opaque is used to describe parts of the eye that do not allow light to pass through. For example, the cornea is normally transparent, but can become opaque due to disease or injury.
Related Terms
See Also
External links
- Medical encyclopedia article on Opaque
- Wikipedia's article - Opaque
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