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skos:definition |
MSH: Congenital defects of closure of one or more vertebral arches, which may be associated with malformations of the spinal cord, nerve roots, congenital fibrous bands, lipomas, and congenital cysts. These malformations range from mild (e.g., SPINA BIFIDA OCCULTA) to severe, including rachischisis where there is complete failure of neural tube and spinal cord fusion, resulting in exposure of the spinal cord at the surface. Spinal dysraphism includes all forms of spina bifida. The open form is called SPINA BIFIDA CYSTICA and the closed form is SPINA BIFIDA OCCULTA. (From Joynt, Clinical Neurology, 1992, Ch55, p34),CSP: developmental anomaly characterized by defective closure of the bony encasement of the spinal cord, through which the cord and meninges may protrude.,MEDLINEPLUS: <p>Spina bifida is the most common disabling birth defect in the United States. It is a type of <a href='http://www.nlm.nih.gov/medlineplus/neuraltubedefects.html'>neural tube defect</a>, which is a problem with the spinal cord or its
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