Soft — Spot

: These gaps allow the skull bones to overlap (molding) during delivery, helping the baby's head pass safely through the narrow birth canal.

Nature's "collapsible helmet" design serves two primary purposes: soft spot

: An infant's brain nearly doubles in size during the first year; the open fontanelles provide the necessary space for the skull to expand rapidly. Sunken fontanel: Causes, picture, and complications : These gaps allow the skull bones to