| 释义 |
triploblastic
trip·lo·blas·tic T0366300 (trĭp′lō-blăs′tĭk)adj. 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.
[Greek triploos, triple; see pel- in Indo-European roots + -blastic.]
trip′lo·blas′ty n.triploblastic (ˌtrɪpləʊˈblæstɪk) adj (Zoology) (of all multicellular animals except coelenterates) having a body developed from all three germ layers. Compare diploblastic[C19: from triplo- threefold (from Greek triploos) + -blast]trip•lo•blas•tic (ˌtrɪp loʊˈblæs tɪk)
adj. (of an embryo) differentiating into three primary layers, the ectoderm, endoderm, and mesoderm. [1885–90; < Greek tripló(os) threefold + blastikós budding] triploblastic
triploblastic[‚trip·lə′blas·tik] (embryology) Having three embryonic germ layers: an ectoderm, mesoderm, and endoderm. triploblastic
trip·lo·blas·tic (trip'lō-blas'tik), Formed of three primary germ layers (ectoderm, mesoderm, endoderm), or containing tissue derived from all three layers. [G. triploos, threefold, + blastos, germ] triploblastic (trĭp′lō-blăs′tĭk)adj. 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.
trip′lo·blas′ty n.triploblastic Of an embryo, having three primitive germ layers from each of which particular parts of the body develop.triploblastic having three primary embryonic cell layers, ECTODERM, MESODERM and ENDODERM. All animals except PROTOZOANS, SPONGES and COELENTERATES are triploblastic. |