<Dd> For details and the constituent bones, see Neurocranium and Facial skeleton </Dd> <P> The human skull is the bony structure that forms the head in the human skeleton . It supports the structures of the face and forms a cavity for the brain . Like the skulls of other vertebrates, it protects the brain from injury . </P> <P> The skull consists of two parts, of different embryological origin--the neurocranium and the facial skeleton (also called the membraneous viscerocranium). The neurocranium (or braincase) forms the protective cranial cavity that surrounds and houses the brain and brainstem . The upper areas of the cranial bones form the calvaria (skullcap). The neurocranium includes the mandible . </P> <P> The facial skeleton is formed by the bones supporting the face . </P>

What is the top of the skull called