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A birth defect involving an abnormal opening in the spinal bones (vertebrae) is called spina bifida. The spinal vertebrae have not formed and joined normally, leaving an opening.
Review Date 1/17/2025
Updated by: Charles I. Schwartz, MD, FAAP, Clinical Assistant Professor of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, General Pediatrician at PennCare for Kids, Phoenixville, PA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
