SYN: false membrane.
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n.
a false membrane, consisting of a layer of exudate on the surface of the skin or a mucous membrane. In diphtheria a pseudomembrane forms in the throat.
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pseu·do·mem·brane (soo″do-memґbrān) a layer resembling an organized and living membrane, but made up of coagulated fibrin with bacteria and leukocytes, such as may be formed on mucous membranes in diphtheria or in the colon with Clostridium difficile infection. Called also false membrane and neomembrane. pseudomembranous adjMedical dictionary. 2011.