Answer
The parietal bones are paired flat bones that form the sides and roof of the cranial cavity. They are located on the superior and lateral aspects of the skull, and meet at the midline of the skull at the sagittal suture.
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In addition to forming the cranial cavity, the parietal bones also articulate with other bones of the skull, including the frontal bone, occipital bone, temporal bones, and sphenoid bone. The sutures that join these bones together are important for maintaining the shape and stability of the skull, as well as allowing for some degree of movement during growth and development.
The parietal bones are important for protecting the brain and other structures inside the cranial cavity. They also serve as attachment sites for muscles that are involved in moving the head and neck.