单词	hypoblast
释义	hypoblast /ˈhʌɪpə(ʊ)blast / noun Biology Former term for endoderm.The prospective endoderm displaces the hypoblast and the mesoderm forms a layer between ectoderm and endoderm.... Why is the origin of mesoderm from hypoblast in some groups not regarded as a secondary adaptation? Why then, asks Balfour, are hypoblast and epiblast continuous?
随便看	hybridizer hybrid T hybrid tee hybrid vigour hyd. hydantoin hydathode hydatid hydatidiform mole Hyde, Edward hydel Hyde, Mr Hyde Park Hyderabad hydr- hydra hydramnios hydrangea hydrant hydratable hydrate hydration hydrator hydraulic hydraulically

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