名词
中文翻译：中空的卵黄囊
同义词：
['empty blastocyst', 'vacuolated blastocyst']
例句：
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1. The embryonic stem cells were injected into the morulamesoblast to create a new organ.
将胚胎干细胞注入中空的卵黄囊，以创造一个新的器官。
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2.Researchers are studying the development of the morulamesoblast in order to understand how it grows and develops.
研究人员正在研究中空的卵黄囊的发展过程，以了解它如何生长和发育。
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3. The morulamesoblast is a critical stage in the development of the embryo, as it contains the genetic material that will be used to form the body.
中空的卵黄囊是胚胎发展的关键阶段，因为它包含了将来形成身体所需的遗传物质。