Definition of mesothelium in English:


Syllabification: mes·o·the·li·um
Pronunciation: /ˌmezəˈTHēlēəm, ˌmē-

noun (plural mesothelia /-ˈTHēlēə/)

  • 1The epithelium that lines the pleurae, peritoneum, and pericardium.
    More example sentences
    • The outermost covering of the stomach is termed serosa, because it is composed of a loose fatty connective tissue containing blood vessels and nerves covered by a mesothelium, the visceral peritoneum, or mesentery.
    • Mesothelioma is a rare form of carcinoma that occurs in the mesothelium lining lungs, abdomens and hearts.
    • Studies were also conducted to assess the expression of the heavy and light subunits of gamma-GCS in human pleural mesothelium and bronchial epithelium in vivo and the induction of inducible NOS by asbestos fibers.
  • 1.1 Embryology The surface layer of the embryonic mesoderm, from which this is derived.



Pronunciation: /-ˈTHēlēəl/
More example sentences
  • Hyperplastic mesothelial cells in mediastinal lymph node sinuses with extranodal lymphatic involvement
  • Another pathway might involve mediators synthesized by activated macrophages and/or mesothelial cells of the pleural or peritoneal surfaces of the muscle.
  • The pleurectomy specimen was characterized by fragments of fibrous connective tissue lined by mesothelial cells with focal papillary area.


late 19th century: from meso- 'middle' + a shortened form of epithelium.

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