retroperitoneal

adjective
ret·ro·per·i·to·ne·al | \ˌre-trō-ˌper-ə-tə-ˈnē-əl \

Definition of retroperitoneal 

: situated behind the peritoneum

Other Words from retroperitoneal

retroperitoneally \ˌre-trō-ˌper-ə-tə-ˈnē-ə-lē \ adverb

First Known Use of retroperitoneal

1835, in the meaning defined above

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The first known use of retroperitoneal was in 1835

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retroperitoneal

adjective
ret·ro·per·i·to·ne·al | \-ˌper-ət-ᵊn-ˈē-əl \

Medical Definition of retroperitoneal 

: situated or occurring behind the peritoneum retroperitoneal bleeding a retroperitoneal tumor

Other Words from retroperitoneal

retroperitoneally \-ə-lē \ adverb

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