mes·o·gle·a also mes·o·gloe·a 
(mĕz′ə-glēə, mĕs′-, mē′zə-, -sə-)
(mĕz′ə-glēə, mĕs′-, mē′zə-, -sə-)n.
The layer of gelatinous material that separates the inner and outer cell layers of a cnidarian.
[New Latin mesogloea : MESO- + Medieval Greek gloia, glia, glue; see ZOOGLOEA.]
mes′o·gleal adj.