triploblastic(redirected from Triploblasty)
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Formed of three primary germ layers (ectoderm, mesoderm, endoderm), or containing tissue derived from all three layers.
[G. triploos, threefold, + blastos, germ]
Having body tissues derived from three germ layers, the endoderm, mesoderm, and ectoderm, seen in all multicellular animals except certain invertebrates such as the cnidarians and sponges.