Definition of L1-L5 (lumbar vertebrae)
L1-L5 (lumbar vertebrae): The symbols L1 through L5 represent the five lumbar vertebrae. The lumbar vertebrae are situated between the thoracic vertebrae and the sacral vertebrae in the spinal column.
Source: MedTerms™ Medical Dictionaryhttp://www.medterms.com/script/main/art.asp?articlekey=8768
Last Editorial Review: 6/14/2012
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