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单词 triploblastic
释义

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.
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