noun
false membrane; pseudomembrane
Medical term for a membrane-like layer formed on mucous membranes or wounds, often due to infection or inflammation.
ジフテリアでは喉に偽膜が形成されることがある。
In diphtheria, a false membrane can form in the throat.
Rarely used kanji form; 偽膜 is preferred.
From 偽 (false) + 膜 (membrane).