lum·bar·i·za·tion
| \ ˌləm-bə-rə-ˈzā-shən
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Medical Definition of lumbarization
: a condition in which the first segment of the sacrum fails to fuse with the second segment so that it appears to be part of the lumbar vertebrae
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“Lumbarization.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/lumbarization. Accessed 1 Aug. 2021.
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