Definition of mesothelium in English:

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Pronunciation: /ˌmezəˈTHēlēəm/
Pronunciation: /ˌmēzəˈTHēlēəm/

noun (plural mesothelia /-ˈTHēlēə/)

1The epithelium that lines the pleurae, peritoneum, and pericardium.
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: /ˌmezəˈTHēlēəl/
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.

For editors and proofreaders

Syllabification: mes·o·the·li·um

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