- Term infants have well-formed skull bones separated by strips of connective tissue, sutures, and fontanelles.
- The sutures are, in effect, grooves between the bones of the skull and the fontanelles are small areas where the sutures meet.
- There was rupture at the site of the anterior fontanel with extrusion of intracranial contents.
Mid 16th century (denoting a hollow of the skin between muscles): from French, from modern Latin fontanella, from an Old French diminutive of fontaine (see fountain). The current sense dates from the mid 18th century.
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