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Sphenoidal Fontanelle

Medically reviewed by: Stephanie Curreli, MD, PhD
Last Updated: Feb 4, 2015

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.