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Medical Definition of Spinal bifida
1. A congenital defect in which the neural arches fail to close, so exposing the contents of the spinal canal posteriorly. Usually occurring in the lumbosacral region (lower back) of the spine. (27 Sep 1997)
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1. A congenital defect in which the neural arches fail to close, so exposing the contents of the spinal canal posteriorly. Usually occurring in the lumbosacral region (lower back) of the spine. (27 Sep 1997)