Definition of Spina bifida occulta

Spina bifida occulta: A bony defect in the vertebral column that causes a cleft in that column. The cleft remains covered by skin. Treatment is usually not required.

Last Editorial Review: 6/9/2016

Stages of Pregnancy Pictures Slideshow: See the 1st, 2nd and 3rd Trimesters of Mom & Baby

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