retroperitoneum
noun
ret·ro·per·i·to·ne·um
-ˌper-ət-ᵊn-ˈē-əm 
plural retroperitoneums or retroperitonea
-ˈē-ə
: 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
Dictionary Entries Near retroperitoneum
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“Retroperitoneum.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/retroperitoneum. Accessed 25 Nov. 2024.
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