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Sphenoidal Fontanelle

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Last updated: Jan 13th, 2026
Sphenoidal Fontanelle
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The sphenoidal fontanelle, also called the sphenoid fontanel, is a membranous area in between a newborn's cranial bones. It can be found in between the sphenoid, parietal, temporal, and frontal bones; it closes at about three months after birth.