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iliocostalis lumborum

noun

iliocostalis lum·​bor·​um -ˌləm-ˈbȯr-əm How to pronounce iliocostalis lumborum (audio)
: a muscle that extends from the ilium to the lower ribs and acts to draw the trunk to the same side or to depress the ribs

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Cite this Entry

“Iliocostalis lumborum.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/iliocostalis%20lumborum. Accessed 4 Dec. 2025.

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