Congenital Abnormality
platybasia
Subclass of:
Bone Diseases, Developmental; Craniofacial Abnormalities; Spinal Diseases
Etymology:
Greek platys = wide + basis = base
A congenital deformity of the base of the skull. A similar term is platycephale (kephale head), denoting a wide skull.
Definitions related to platybasia:
  • A developmental deformity of the occipital bone and upper end of the cervical spine, in which the latter appears to have pushed the floor of the occipital bone upward. (Dorland, 27th ed)
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • A developmental malformation of the occipital bone and upper end of the cervical spine, in which the latter appears to have pushed the floor of the occipital bone upward such that there is an abnormal flattening of the skull base.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2025
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