cementum 

  1. 名詞
不可數名詞: 牙骨質, 水門汀

    
                        
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例句

                

                    
    
                                                    
  1. 
                                Cementum fills the V-shaped islet.                            
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  2. 
                                Cementoblasts form the cementum of a tooth.                            
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  3. 
                                Two types of cementum form: cellular and acellular.                            
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  4. 
                                Of these, cementum is the only one that is a part of a tooth.                            
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  5. 
                                Periodontal ligaments connect the alveolar bone to the cementum .                            
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