retroperitoneum

noun
ret·​ro·​per·​i·​to·​ne·​um | \ -ˌper-ət-ᵊn-ˈē-əm How to pronounce retroperitoneum (audio) \
plural retroperitoneums or retroperitonea\ -​ˈē-​ə How to pronounce retroperitonea (audio) \

Medical Definition of retroperitoneum

: 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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Cite this Entry

“Retroperitoneum.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/retroperitoneum. Accessed 28 Nov. 2020.

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