| The Skull
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| Made of three components: Neurocranium, chondrocranium and viscerocranium. |
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 The
Neurocranium
(Calvaria or skull top) |
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Four flat bones
Paired
Unpaired
Sutures:
- Coronal: between frontal and parietal
- Sagittal: between the two parietals
- Squamosal: between parietal and temporal
- Lambdoid: between parietal and occipital
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| Norma lateralis |
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| The
Chondrocranium
(Skull base) |
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Made up of the following:
- Occipital
bone.
- Sphenoid.
- Part of temporal bone (petrous)
- Palatine.
It contains various foramina for the transmission of
nerves and vessels.
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| The
Viscerocranium
(Facial skeleton) |
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Paired facial bones include:-
- Nasal
- Zygomatic
- Lacrimal
- Maxillae
Unpaired facial bones include:-
- Palatine
- Maxillae
- Mandible
- Vomer
 Hover to identify the parts labelled.
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| Structure
of skull bones |
Infants:
Inner and outer table.
Outline the other differences between a newborn and an adult skull .
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Adults:
Consists of :
- an outer table of compact bone
- a layer of spongy bone (diploe)
- an inner table of compact bone
Note the two layers of Compact bone (C) and Spongy bone (S) |
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