单词	embryonic disc
释义	embryonic disc noun variants or embryonic disk plural embryonic discs or embryonic disks 1 a : blastodisc b : blastoderm 2 : the part of the inner cell mass of a blastocyst from which the embryo of a placental mammal develops called also embryonic shield Word History First Known Use 1871, in the meaning defined at sense 1b Medical Definition embryonic disc noun variants or embryonic disk 1 a : blastodisc b : blastoderm 2 : the part of the inner cell mass of a blastocyst from which the embryo of a placental mammal develops called also embryonic shield
随便看	cyanamide cyanamide process cyanamides cyanamids Cyanastraceae cyanate cyanates Cyanea cyanean cyaneous cyaner cyanest cyanhydrin cyani flower cyanic acid cyanidation cyanide cyanide mill cyanide process cyanided cyanides cyanidin cyaniding gai lan Gaia

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