'Mesothelium' definitions:
Definition of 'mesothelium'
(from WordNet)
noun
Epithelium originating in the embryonic mesoderm; lines the primordial body cavity
Definition of 'Mesothelium'
From: GCIDE
- Mesothelium \Mes`o*the"li*um\, n. [NL., fr. Gr. me`sos middle + E. epithelium.] (Biol.) 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 c[oe]lum. [1913 Webster]