hy·po·chon·dri·um /-ˈkɑndrɪəm/ 名詞
  Hy·po·chon·dri·um n.; pl. L. Hypochondria E. Hypochondriums   Anat. Either of the hypochondriac regions.
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  hypochondrium
       n : the upper region of the abdomen just below the lowest ribs
           on either side of the epigastrium
       [also: hypochondria (pl)]