from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The layer of flat cells of mesodermal origin that lines the embryonic body cavity and gives rise to the squamous cells of the peritoneum, pericardium, and pleura.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A membrane of flat cells that lines the body cavity of embryos and forms the squamous cells of the peritoneum, pericardium, and pleura
from the GNU version of the Collaborative International Dictionary of English
- n. Epithelial mesoderm; a layer of cuboidal epithelium cells, formed from a portion of the mesoderm during the differetiation of the germ layers. It constitutes the boundary of the cœlum.
from The Century Dictionary and Cyclopedia
- n. The epithelium lining the entire primitive cœlom or body-cavity of the embryo; the cœlarium.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. epithelium originating in the embryonic mesoderm; lines the primordial body cavity
The mesothelium is a membrane that covers and protects most of the internal organs of the body.
In medical terms, it is a cancer formed in the mesothelium, which is a direct consequence of prolonged asbestos exposure.
Mesothelioma mainly affects the mesothelium which is a protective lining covering all internal organs of the body.
It is also widely accepted that asbestos fibers can be associated with three types of diseases: asbestosis: a lung fibrosis resulting from long-term, high level exposures to airborne fibers; lung cancer: usually resulting from long-term high level exposures and often correlated with asbestosis; mesothelioma: a rare form of cancer of the lining (mesothelium) of the thoracic and abdominal cavities.
The meningeal or supporting layer is lined on its inner surface by a layer of nucleated flattened mesothelium, similar to that found on serous membranes.
Its internal surface is smooth and covered by a layer of mesothelium.
Its outer surface is covered with a layer of low cuboidal mesothelium.
The inner surface and the trabeculæ are likewise covered by a somewhat low type of cuboidal mesothelium which in places are flattened to a pavement type.
Those portions of the alimentary canal covered by peritoneum, have in addition a subserous lymphatic capillary plexus beneath the mesothelium.
Beneath the mesothelium lining of the pleural, peritoneal and pericardial cavities are rich plexuses; they do not open into these cavities.
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