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Medical Dictionary

retroperitoneum

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noun ret·ro·per·i·to·ne·um \-ˌper-ət-ən-ˈē-əm\

Medical Definition of retroperitoneum

plural

retroperitoneums

or

retroperitonea

\-ˈē-ə\play
  1. :  the space between the peritoneum and the posterior abdominal wall that contains especially the kidneys and associated structures, the pancreas, and part of the aorta and inferior vena cava




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