Wikipedia:Picture of the day/October 15, 2005
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A skull, or cranium, is a bony structure of vertebrates which serves as the general framework for a head. The skull supports the structures of the face and protects the brain against injury. This example of a hippopotamus 's skull also shows the large canine teeth, used for fighting, which can grow up to 50 cm long. Photo credit: Raul654 |