In the newborn |skull|, the sphenoidal suture between the frontal, temporal, and |parietal bones| is not yet solidly formed. Between these bones is located a cartilaginous membrane, called the sphenoidal fontanelle. In the newborn, this ~cartilage~ is still quite flexible, allowing the bones of the head to deform and articulate slightly during |childbirth|. The sphenoidal fontanelle does not close completely, forming the intersection between the sphenoidal and |coronal sutures|, until months after the child is born.
