![]() As I mentioned in my video on body cavities and membranes, the word parietal means wall, and these bones make up the walls on the side of the cranium. The word parietal sounds similar to “pair,” so that can help you remember that there are two of them. Parietal bones (2) – The first pair of bones in the cranium are the parietal bones.I’ll cover the eight cranial bones first, starting with the two pairs of bones. The facial bones are the complete opposite: you have two single bones, and the rest are pairs! Here’s a cool thing to remember about the skull bones: in the cranium, two bones come in pairs, but all the others are single bones. The 22 skull bones make up part of the axial skeleton, and they can be divided into two main sections: the 8 cranial bones, and the 14 facial bones.
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