germinal disc造句
造句与例句
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- During embryonic development, transformation of the flat, two-layer germinal disc into a three-dimensional body depends on transition of some cells from an mesenchymal phenotype.
- Polyspermy is apparently allowed; when the yolk passes through the infundibulum of the oviduct and is exposed to sperm storage glands, the sperm preferentially seek out the near center ( but not the exact center ) of the germinal disc region and break through the perivitelline membrane.
- It's difficult to see germinal disc in a sentence. 用germinal disc造句挺难的
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