Anatomy & Physiology › Section G · The axial and appendicular skeleton › Topic G.1
Skeletal divisions and the skull
The adult skeleton is split into a central axis and the limbs that hang from it. The skull sits at the top of that axis, and its 22 bones protect the brain, frame the face and hold the openings for sight, smell, hearing and eating.
In this topic
- Two divisions of the skeleton
- What the axial skeleton contains
- Worked example: counting the axial skeleton
- The brain case and the face
- Bones of the brain case: the big four
- Bones of the brain case: sphenoid and ethmoid
- Sutures of the skull
- The facial bones
- Orbits, sinuses and the hyoid
- Worked example: a blow to the side of the head
- Common mistakes to avoid
- Key takeaways
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