pseudomembranen.
/ˌs(j)uːdəʊˈmɛmbreɪn/, U.S. /ˌsudoʊˈmɛmˌbreɪn/ Pathology and Medicine.
A layer resembling a membrane, a false membrane; esp. a sheet of exudate covering a mucosal surface. Cf. membrane n. 1d.
ΘΚΠ
the world > health and disease > ill health > a disease > diseases of tissue > [noun] > abnormal or morbid tissue
adherence1667
adhesion1698
bridle1739
membrane1765
pseudomembrane1824
heterology1854
neoplasm1863
synechia1873
heteroplasm1878
paraplasm1890
paraplasma1890
heteromorphosis1891
1824 Lancet 25 Sept. 398/1 The middle part of the left [lung]..firmly adhered to the pleura costalis by a thick, dim, cartilaginous pseudo-membrane.
1835–6 Todd's Cycl. Anat. & Physiol. I. 399/2 A consistence little..superior to that of mucous pseudo-membranes.
1934 Amer. Jrnl. Surg. 26 376/2 The small and large intestine were covered externally with a diffuse pseudomembrane.
1995 C. Kühn in W. M. Thurlbeck & A. M. Churg Pathol. Lung (ed. 2) xiv. 269 (caption) The entire luminal surface of the airway is covered by thick pseudomembrane of fibrin, inflammatory cells and necrotic epithelium.
Derivatives
pseudoˈmembranous adj. [compare French pseudomembraneux (1820)] of the nature of or characterized by the presence of a pseudomembrane.
ΘΚΠ
the world > health and disease > ill health > a disease > diseases of tissue > [adjective] > affecting specific tissues
interstitial1793
submucous1823
pseudomembranous1826
membranous1829
subserous1872
massive1897
1826 Lancet 4 Mar. 774/1 The arachnoid was totally free of pseudo-membranous exudations.
1878 S. O. Habershon Pathol. Observ. Dis. Abdomen (ed. 3) ii. 21 The disease termed pseudomembranous stomatitis.
1997 Jrnl. Clin. Investig. 100 1734 Clostridium difficile toxins A and B together are responsible for the symptoms of pseudomembranous colitis.
This entry has been updated (OED Third Edition, September 2007; most recently modified version published online June 2022).
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n.1824