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Definition of Rachischisis
1. Noun. A not uncommon congenital defect in which a vertebra is malformed; unless several vertebrae are affected or there is myelomeningocele there are few symptoms; can be diagnosed by amniocentesis.
Exact synonyms: Schistorrhachis, Spina Bifida
Generic synonyms: Birth Defect, Congenital Abnormality, Congenital Anomaly, Congenital Defect, Congenital Disorder
Generic synonyms: Birth Defect, Congenital Abnormality, Congenital Anomaly, Congenital Defect, Congenital Disorder
Medical Definition of Rachischisis
1. 1. Embryologic failure of fusion of vertebral arches and neural tube with consequent exposure of neural tissue at surface; spina bifida cystica with myelocele or myeloschisis. 2. Spinal dysraphism. Origin: G. Rhachis, spine, + schisis, division (05 Mar 2000)
Lexicographical Neighbors of Rachischisis
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