hypoblast 

  1. 名詞
下胚層, 內胚層
/此名詞複數為"hypoblasts"/

    
                        
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例句

                

                    
    
                                                    
  1. 
                                The hypoblast is pushed out of the way and goes on to form the amnion.                            
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  2. 
                                The hypoblast is pushed down and forms the yolk sac (exocoelomic cavity) lining.                            
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  3. 
                                The epiblast is surrounded by the visceral endoderm, the equivalent of the hypoblast of humans and chicks.                            
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  4. 
                                PGCs come from the epiblast and move to the hypoblast to form the germinal crescent (anterior extraembryonic structure).                            
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  5. 
                                Some hypoblast cells migrate along the inner cytotrophoblast lining of the blastocoel, secreting an extracellular matrix along the way.                            
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