Definition of triploblastic in English:

triploblastic

Syllabification: trip·lo·blas·tic
Pronunciation: /ˌtriplōˈblastik
 
/

adjective

Zoology
  • Having a body derived from three embryonic cell layers (ectoderm, mesoderm, and endoderm), as in all multicellular animals except sponges and coelenterates.
    More example sentences
    • The transition from diploblastic to triploblastic body plans hinges on the origin of mesoderm.
    • Common larval types are used to deduce a radially symmetrical, medusa-like organism as the common ancestor for all animal groups above coelenterates, i.e., for all triploblastic animals.
    • The simplest animals that are bilaterally symmetrical and triploblastic (composed of three fundamental cell layers) are the Platyhelminthes, the flatworms.

Origin

late 19th century: from Greek triploos 'threefold' + -blast + -ic.

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