The calvaria or skullcap has a dome-like shape and is part of the neurocranium which protects the brain.
It is made of 4 bones:
The bones are conected by sutures:
The T-shaped connection between the sagittal suture and the coronal suture is called Bregma. The counterpart on the posterior aspect of the calvaria is called Lambda and is builded by the connection between sagittal suture and lambdoid suture.
The 3 layers of the calvaria:
The diploë contains red bone marrow and is passed by diploic veins. The Lamina externa is thicker than the lamina interna (paper thin bony layer).
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