petrosal 

  1. 形容詞
岩石的, 岩石般的

    
                        
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例句

                

                    
    
                                                    
  1. 
                                The first is the greater petrosal nerve and the second is the chorda tympani.                            
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  2. 
                                The superior petrosal sinus is attached to the posterior surface of the temporal bone but not always at its superior edge.                            
    3. 
                                                    
  3. 
                                When extended middle cranial fossa approaches are employed, the superior petrosal sinus is deliberately divided between clips.                            
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  4. 
                                The greater superficial petrosal nerve is generally easy to visualize and can be followed retrograde to the geniculate ganglion.                            
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  5. 
                                The transvenous femoral approach to the cavernous sinus can be done through the petrosal sinus or, infrequently, through facial veins.                            
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