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extraembryonic coelom
释义
extraembryonic coelom
Encyclopedia
医学
胎膜
释
extraembryonic coelom
胚外体腔
胚胎发育早期位于胚体外的一个腔隙,又称绒毛膜腔。
Biology
extraembryonic coelom
胚外体腔
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space element
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Space Environment
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