de·cor·ti·ca·tion /(ˌ)diˌkɔrtəˈkeʃən/
  de·cor·ti·ca·tion /(ˌ)dɪˌkɔrtɪˈkeʃən/ 名詞
  去皮,脫皮,剝外皮,去皮質術,皮質剝除術
  De·cor·ti·ca·tion n.  The act of stripping off the bark, rind, hull, or outer coat.
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  decortication
       n : removal of the outer covering of an organ or part