Brachycepahly is a type of Plagiocephaly in which there is generalized flattening across the whole back of the skull. (candokiddo.com)
He and Glencross found dozens of skulls with similar wounds, all showing a consistent pattern of injury to the top back of the skull. (discovermagazine.com)
My first experience with death was when I in a car accident the car flipped in the air three times and then four more times down a hill i had a piece of glass lodged in the back of my skull scars down my arms and stomach and apparently flatlined three times. (religion.blogs.cnn.com)