What does contrast agent mean?
Definitions for contrast agent
con·trast agent
This dictionary definitions page includes all the possible meanings, example usage and translations of the word contrast agent.
Wikipedia
Contrast agent
A contrast agent (or contrast medium) is a substance used to increase the contrast of structures or fluids within the body in medical imaging. Contrast agents absorb or alter external electromagnetism or ultrasound, which is different from radiopharmaceuticals, which emit radiation themselves. In x-rays, contrast agents enhance the radiodensity in a target tissue or structure. In MRIs, contrast agents shorten (or in some instances increase) the relaxation times of nuclei within body tissues in order to alter the contrast in the image. Contrast agents are commonly used to improve the visibility of blood vessels and the gastrointestinal tract. Several types of contrast agent are in use in medical imaging and they can roughly be classified based on the imaging modalities where they are used. Most common contrast agents work based on X-ray attenuation and magnetic resonance signal enhancement.
Numerology
Chaldean Numerology
The numerical value of contrast agent in Chaldean Numerology is: 2
Pythagorean Numerology
The numerical value of contrast agent in Pythagorean Numerology is: 4
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"contrast agent." Definitions.net. STANDS4 LLC, 2024. Web. 27 Apr. 2024. <https://www.definitions.net/definition/contrast+agent>.
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