Skull (Human)

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The skull is the bone structure of the head, composed of 22 individual bones that have limited flexibility other than the mandible (jaw).

Frontal boneParietal boneTemporal boneTemporal boneSphenoid boneSphenoid boneSphenoid boneSphenoid boneNasalis boneZygomatic boneZygomatic boneMaxillaMandibleEthmoid boneEthmoid boneLacrimal boneLacrimal bone

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The human skull

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It is part of the axial skeleton including the vertebral column, ribs and sternum. Axial skeletons are associated with central nervous system while the appendicular skeletons are associated with the extremities.

An adult skull consists of 2 categorical parts: neurocranium and viscerocranium. They come from different embryological origins.

The neurocranium or brain case is a protective vault that surrounds the brain and brain stem.

The viscerocranium or facial skeleton is also called splanchnocranium is formed by supporting bones of the face.

All of the skull bones are bonded together by sutures synarthrodial joints. These immovable joints are formed by bony ossification with Sharpey’s fibres which allows some flexibility.

The human skull pictogram has a Unicode of U+1F480 (💀

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