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Pronunciation: ob-lit′ĕr-ā′shŭn
Definition: Blotting out, especially by filling of a natural space or lumen by fibrosis or inflammation. In radiology, disappearance of the contour of an organ when the adjacent tissue has the same x-ray absorption.
See: silhouette sign of Felson
[L. oblittero, to blot out]
Examples: glitazone, GI cocktail, etc.
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