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Pronunciation: fi'bri-noyd


  1. Resembling fibrin.
  2. A deeply or brilliantly acidophilic, homogeneous, proteinaceous material that: 1) is frequently formed in the walls of blood vessels and in connective tissue of patients with such diseases as disseminated lupus erythematosus, polyarteritis nodosa, scleroderma, dermatomyositis, and rheumatic fever; 2) is sometimes observed in healing wounds, chronic peptic ulcers, the placenta, necrotic arterioles of malignant hypertension, and other unrelated conditions.

[fibrin + G. eidos, resemblance]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.