| 单词 | endoderm |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔diploblastic〕Derived from two embryonic germ layers, the ectoderm and the endoderm. Used of lower invertebrates, such as sponges and coelenterates.双胚层的：具有两个胚层（外胚层和内胚层）的。用于低等无脊椎动物，如寄生虫和腔肠动物美国传统〔entoblast〕Any of the blastomeres of an embryo from which the endoderm develops.内胚层：指任何可生长成内胚层的胚胎分裂球美国传统〔pericycle〕A plant tissue characteristic of the roots, located between the endodermis and phloem.中柱膜：位于内皮层和韧皮层之间的根系的植物组织美国传统〔splanchnopleure〕A layer of embryonic cells formed in vertebrates by association of part of the mesoderm with the endoderm and developing into the wall of the viscera.胚脏壁，脏腑层：通过中胚层和内胚层联结而形成的脊椎动物的胚胎细胞层，并发展成内脏美国传统 |
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