Definition of diploblastic in English:
diploblastic
adjectiveˌdɪplə(ʊ)ˈblastɪkˌdiplōˈblastik
Zoology Having a body derived from only two embryonic cell layers (ectoderm and endoderm, but no mesoderm), as in sponges and coelenterates.
Example sentencesExamples
- According to Haeckel, the gastrula stage can be found in the development of all animals, and represents the recapitulation of the ancestral metazoan, the Gastraea, a diploblastic animal with a ciliated gut.
- The transition from diploblastic to triploblastic body plans hinges on the origin of mesoderm.
- The anthozoans are diploblastic animals developing from two epithelial germ cell layers: the ectoderm, facing the seawater, and the endoderm, facing the gastrovascular cavity or coelenteron.
- Compartmentalization is also the underlying advantage epithelia provide in triploblastic descendants of a diploblastic ancestor.
- The other diploblastic phylum, the Ctenophora, surprisingly, has not been reported to have septate junctions.