In amniotes, this structure may be classified as anapsida, synapsida, euryapsida, or diapsida, and tension created by the six
In amniotes, this structure may be classified as anapsida, synapsida, euryapsida, or diapsida, and tension created by the six early portions of this structure can rupture of the great vein of Galen. It includes the ethmoid, the zygomatic arch, and an opening called the foramen magnum. Its coronal suture appears after a fontanelle was ossified during infancy, joining the frontal and parietal bones, and its softness in human infants allows for rapid growth and safety while exiting the birth canal. For 10 points, name this structure that contains the maxilla and mandible and encases the brain. 	
In amniotes, this structure may be classified as anapsida, synapsida, euryapsida, or diapsida, and tension created by the six early portions of this structure can rupture of the great vein of Galen.
skull [accept cranium or crania before "mandible"] 