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pac·chi·o·ni·an body

n :  ARACHNOID GRANULATION
 
Pac•chi•o•ni, Antonio (1665-1726),
Italian anatomist. Pacchioni wrote several papers on the structure and function of the dura mater. In 1705 he published his major treatise on the subject, including a description of the arachnoid granulations now sometimes called pacchionian bodies.
 
 

 
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