[mez-uh-thee-lee-uh m, mes-, mee-zuh-, -suh-]

noun, plural mes·o·the·li·a [mez-uh-thee-lee-uh, mes-, mee-zuh-, -suh-] /ˌmɛz əˈθi li ə, ˌmɛs-, ˌmi zə-, -sə-/. Anatomy, Embryology.

epithelium of mesodermal origin, which lines the body cavities.

Origin of mesothelium

First recorded in 1885–90; meso- + (epi)thelium
Related formsmes·o·the·li·al, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for mesothelium

Historical Examples of mesothelium

British Dictionary definitions for mesothelium


noun plural -liums or -lia (-lɪə)

epithelium, derived from embryonic mesoderm lining body cavities
Derived Formsmesothelial, adjective

Word Origin for mesothelium

from New Latin, from meso- + (epi) thelium
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

mesothelium in Medicine



n. pl. mes•o•the•li•a (-lē-ə)

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.
Related formsmes′o•theli•al adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

mesothelium in Science



Plural mesothelia

A layer of flattened epithelial cells that lines the membranes of closed body cavities, including the pericardium, pleurae, and peritoneum. Compare endothelium.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.