Of, relating to, or containing fibrin; having the nature or appearance of fibrin.
From fibrin + -ous (Latin suffix meaning full of or characterized by). This common pathology term has been used since the 1800s to describe inflamed tissues.
When doctors see 'fibrinous inflammation' under a microscope, they're looking at tissue that's been coated with a thin, grayish-white layer—the body's way of trying to contain infection or injury.
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