The cranium of a newborn has many special features. The ossification of the skull bones is incomplete. For example the frontal bone of the newborn is not complete, but consists of 2 parts that grow together in the second year of life.
It is interesting that in 9% of cases such knitting is not observed, then we are talking about the so-called “suture” – sutura metopica. Also, in this case skulls are classified as metopic.

Another example of ossification is the lower jaw. Newborn’s lower jaw consists of two parts that are linked by cartilaginous joints
At birth, the newborn’s skull has 6 fontanelles. During birth process, the cranial sututes and fontanelles serve as reference structures for assessing the position of the baby’s head. Together with the cranial sutures, the fontanelles ensure a limited skull deformation during the birth process. After birth it is observed a rapid reduction of the fontanelles, that is a symbol of right development of the child’s skeletal system.

Interesting facts from human medicine:
According to its functions, the human skull is divided into neurocranium and viscerocranium.
The parietal bone of the skull has an uneven inner surface. This relief is characterized by “sulci arteriosi”, along which arterial vessels run.
The occipital bone consists of 4 parts that surround the large occipital “foramen magnum”. It is the largest foramen of the skull and there is the connection between Medulla oblongata and Medulla spinalis.