gastroderm
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gastroderm — [gas′trō dʉrm΄] n. ENDODERM … English World dictionary
Cnidaria — Temporal range: 580–0 Ma … Wikipedia
Ctenophore — Taxobox name = Comb jellies image caption = Ctenophorae from Ernst Haeckel s Kunstformen der Natur , 1904 domain = Eukaryota regnum = Animalia phylum = Ctenophora phylum authority = Eschscholtz, 1829 subdivision ranks = Classes subdivision =… … Wikipedia
Polyp — This article is about the biological structure. For the medical condition, see Polyp (medicine). For the cartoonist, see P J Polyp. Gorgonian polyps in a reef aquarium. A polyp in zoology is one of two forms found in the phylum Cnidaria, the… … Wikipedia
schizorhyses — n. pl. [Gr. schizein, to split; rhysos, delivering] (PORIFERA) Canals in the dictyonal framework that runs longitudinally or obliquely from gastroderm to the dermis and are lined by flagellated chambers … Dictionary of invertebrate zoology
