False membrane

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(Med.) the fibrinous deposit formed in croup and diphtheria, and resembling in appearance an animal membrane.

See also: False

References in periodicals archive ?
The characteristics of the lesions vary within a wide spectrum, ranging from fragile skin, scabs, pseudoampullar elements, and ulcers covered with false membranes to real atrophic scars.
Among the anatomic factors are the thickness of the RWM and the presence of false membranes, tissue plugs, and bony obliteration.