Describing tissue or cells that stain red or pink with eosin dye; having many eosinophils or a condition involving elevated eosinophils.
From 'eosinophil' plus '-ic', making it an adjective that describes things that have eosinophil characteristics or that stain with eosin.
Pathologists can look at a tissue under the microscope and immediately spot 'eosinophilic inflammation'—the pink-red stain tells them which immune cells invaded the tissue and why.
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