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diploblastic vs. triploblastic

diploblastic
[dip-luh-blas-tik] / ˌdɪp ləˈblæs tɪk /

adjective

  1. having two germ layers, the ectoderm and endoderm, as the embryos of sponges and coelenterates.

triploblastic
[trip-loh-blas-tik] / ˌtrɪp loʊˈblæs tɪk /

adjective

Zoology.

  1. having three primary germ layers, as the embryos of vertebrates.