- Representation of an object made by the rays of light emanating or reflected from it.
- Representation produced by x-rays, magnetic resonance imaging, tomography, ultrasound, thermography, radioisotopes, summated ECGs, PET scans, detection of electron energy states, among others.
- To produce such representations.
[L. imago, likeness]
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Examples: glitazone, GI cocktail, etc.