Medical Definition of Vertebral arch
Vertebral arch: A circle of bone around the canal through which the spinal cord passes. A vertebral arch is composed of a floor at the back of the vertebra, walls (the pedicles), and a roof where two laminae join.
Source: MedTerms™ Medical Dictionaryhttp://www.medicinenet.com/script/main/art.asp?articlekey=24089
Last Editorial Review: 5/13/2016
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