| 单词 | mesoderm |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔body wall〕The portion of an animal body that consists of ectoderm and mesoderm, forms the external body surface, and encloses the body cavity.体壁：动物躯体的一部分，由外胚层和内胚层组成，形成围绕体腔的外部体表美国传统〔endoskeleton〕An internal supporting skeleton, derived from the mesoderm, that is characteristic of vertebrates and certain invertebrates.骨骼：体内支撑的骨骼，由中胚层而来的，是脊椎动物及某些无脊椎动物所特有的特性美国传统〔mesoblast〕The middle germinal layer of an early embryo, consisting of undifferentiated cells destined to become the mesoderm.中胚层：早期胚的中间胚芽层，由最终将发育成中胚层的未分化细胞组成美国传统〔mesomere〕The middle zone of the mesoderm of a chordate vertebrate embryo, from which excretory tissue develops.中胚叶节：脊索类脊椎动物胚胎的中胚层的中间部分，最终会发育成排泄组织美国传统〔myoblast〕An undifferentiated cell in the mesoderm of the vertebrate embryo that is a precursor of a muscle cell.成肌细胞：未分化细胞，在作为肌细胞前体的脊椎动物胚胎的中胚层内美国传统〔somite〕A segmental mass of mesoderm in the vertebrate embryo, occurring in pairs along the notochord and developing into muscles and vertebrae.体节：脊椎动物胚胎中胚层中的体节物质，沿脊索成对出现，后生长成肌肉或脊椎美国传统〔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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