blastocyst
US /ˈblæs.tə.sɪst/
UK /ˈblæs.tə.sɪst/
名詞
囊胚
a mammalian embryo in the early stage of development, consisting of a hollow ball of cells
範例:
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The fertilized egg develops into a blastocyst before implanting in the uterus.
受精卵在植入子宮前會發育成囊胚。
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Researchers are studying blastocysts to understand early human development.
研究人員正在研究囊胚以了解早期人類發育。