Fontanel definition

fŏntə-nĕl
Any of the soft membranous gaps between the incompletely formed cranial bones of a fetus or an infant.
noun
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(obs.) An opening in the body for the discharge of secretions.
noun
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Any of the soft, boneless areas in the skull of a baby or young animal, which are later closed up by the formation of bone.
noun
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Any of the soft membranous gaps between the incompletely formed cranial bones of a fetus or an infant.
noun
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Alternative spelling of fontanelle.
noun
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Other Word Forms

Noun

Singular:
fontanel
Plural:
fontanels

Origin of fontanel

  • Middle English fontinel from Old French fontanele diminutive of fontaine fountain fountain

    From American Heritage Dictionary of the English Language, 5th Edition