ra·di·o·paque (r  d - -pk )adj. Relatively impenetrable by x-rays or other forms of radiation. |
radiopaque
[-pāk′]
Etymology: L, radiare + opacus, obscure
not permitting the passage of x-rays or other radiant energy. See also radioactive element, radioactivity. radiopacity, n.
radiopaque (rā´dēōpāk´),
adj permitting the passage of radiant energy, but only with considerable or extreme attenuation of the radiation by absorption. The image of radiopaque materials on a radiograph ranges from light gray to total white or clarity on the film. See also medium, radiopaque.
radiopaque
not permitting the passage of x-rays, such areas appearing light in color on the x-ray film.
radiopaque
adjective Referring to a material or tissue that blocks passage of x-rays, and has a bone or near bone density; radiopaque structures are white or near white on conventional x-rays. Cf Radiolucent.
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