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“parazoon”
A member of the phylum Porifera, the sponges: A parazoon is a multicellular invertebrate that has a body filled with channels and pores which permit water to flow through them and which consist of jelly-like mesohyl inserted between two delicate layers of cells.
This entry is located in the following unit:
zoo-, zoa-, zo-, -zoic, -zoid, -zoite, -zoal, -zonal, -zooid, -zoon, -zoa, -zoan
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