How is it possible for a childs skull to grow and increase the volume on the inside?

Question

This has always bothered me. In order for the brain to grow, the inner space in the skull has to increase. But how is this possible if it is encased by bone?

Answer 1

The skull increaces volume by growing or expanding, like a bubble.

At birth, the human skull is made up of 45 separate bony elements. As growth occurs, many of these bony elements gradually fuse together into solid bone (for example, the frontal bones). The bones of the roof of the skull are initially separated by regions of dense connective tissue called "cranial sutures". There are five sutures: the frontal suture, sagittal suture, lambdoid suture, coronal suture, and squamosal suture. At birth these regions are fibrous and moveable, necessary for birth and later growth. This growth can put a large amount of tension on the "obstetrical hinge," which is where the squamous and lateral parts of the occipital bone meet. A possible complication of this tension is rupture of the great cerebral vein of Galen. Larger regions of connective tissue where multiple sutures meet are called fontanelles. The six fontanelles are: the anterior fontanelle, the posterior fontanelle, the two sphenoid fontanelles, and the two mastoid fontanelles. As growth and ossification progress, the connective tissue of the fontanelles is invaded and replaced by bone. The posterior fontanelle usually closes by eight weeks, but the anterior fontanelle can remain up to eighteen months. The anterior fontanelle is located at the junction of the frontal and parietal bones; it is a "soft spot" on a baby's forehead.

Answer 2

The Childs skull is a type of bone. Bones are capable of growth repair and development. I have a link to a website with more information on this, you may have to navigate abit but I asure you it would answer your question.

Answer 3

I think mechanisms in the body cause the skull to fracture and grow repeatedly until it reaches full its full size.

Answer 4

our skulls are made of separate plates of bones that fuse together. kid skulls aren't completely fused together until they get older so the skull can expand as needed.

Answer 5

The bone is still flexible and hasn't fully fused.