triploblastic
/ˌtrɪpləʊˈblæstɪk/adjective
- Zoology having a body derived from three embryonic cell layers (ectoderm, mesoderm, and endoderm), as in all multicellular animals except sponges and coelenterates【动】三胚层的。
词源
late 19th cent.: from Greek triploos 'threefold' + -BLAST + -IC.