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   J Neurovirol. 2005 Apr;11(2):129-37.   
      
   Olfactory transmission of neurotropic viruses.   
      
   Mori I1, Nishiyama Y, Yokochi T, Kimura Y.   
   Author information   
   Abstract   
   Olfactory receptor neurons are unique in their anatomical structure and   
   function. Each neuron is directly exposed to the external environment at the   
   site of its dendritic nerve terminals where it is exposed to macromolecules.   
   These molecules can be    
   incorporated into by olfactory receptor neurons and transported    
   ranssynaptically to the central nervous system. Certain neurotropic pathogens   
   such as herpes simplex virus and Borna disease virus make use of this   
   physiological mechanism to invade the    
   brain. Here the authors review the olfactory transmission of infectious agents   
   and the resulting hazards to human and animal health.   
   PMID: 16036791 [PubMed - indexed for MEDLINE]   
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   http://www.ncbi.nlm.nih.gov/pubmed/16036791   
      
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