Mesˊo-the′li-um
,
[NL., fr. Gr.
μέσοσ
middle + E. epi
thelium
.]
(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 cœlum.