英语词汇“germ layer theory”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	germ layer theory
释义	germ layer theory germ lay·er the·o·ry the concept that embryos differentiate three primary germ layers (ectoderm, mesoderm, and endoderm), each of which has the potentiality of forming different characteristic structures and organs in the developing body.
随便看	genus genista genus genlisea genus gentiana genus gentianella genus gentianopsis genus genyonemus genus geochelone genus geococcyx genus geoffroea genus geoglossum genus geomys genus geophilus genus geothlypis genus geranium genus gerardia genus gerbera genus gerbillus genus gerea genus gerres genus gerrhonotus genus gerris genus gesneria genus geum genus giardia genus ginglymostoma

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germ layer theory