Wikipedia:Picture of the day/October 15, 2005
Appearance
![]() |
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 |