Of

the parts of which the head is composed the hair-covered
portion is called the 'skull'. The front portion of it is termed
'bregma' or 'sinciput', developed after birth-for it is the last of
all the bones in the body to acquire solidity,-the hinder part is
termed the 'occiput', and the part intervening between the sinciput
and the occiput is the 'crown'. The brain lies underneath the
sinciput; the occiput is hollow. The skull consists entirely of thin
bone, rounded in shape, and contained within a wrapper of fleshless
skin.