Congenital Abnormality
craniorachischisis
Definitions related to craniorachischisis:
  • A congenital fissure of both the skull and vertebral column. (Saunders. (1988). Dorland's illustrated medical dictionary. (27th ed.). Philadelphia)
    CDISC Terminology
    Clinical Data Interchange Standards Consortium (CDISC), 2021
  • A neural tube defect in which both the brain and spinal cord remain open to varying degrees.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2025
  • A rare and severe form of neural tube defect in which there are open cranial and open spinal defects at birth.
    NCI
    U.S. National Cancer Institute, 2021
  • Craniorachischisis is the most severe type of neural tube defect in which both the brain and spinal cord remain open; both anencephaly and spina bifida (from the cervical region to the lumbar or sacral region of the spine) are present. Fetuses with craniorachischisis often miscarry during pregnancy or die shortly after birth. The cause...
    NIH Genetic and Rare Diseases
    National Center for Advancing Translational Sciences
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.