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Noun: sphenoid fontanel
  1. The irregularly shaped area on either side of the cranium where the frontal bone and the anterior tip of the parietal bone and the temporal bone and the greater wing of the sphenoid bone meet; corresponds to the pterion when bones have ossified
    - sphenoid fontanelle, sphenoidal fontanelle, sphenoidal fontanel

Derived forms: sphenoid fontanels

Type of: fontanel, fontanelle, soft spot