Image: Undersides of a human and a chimpanzee skull

Undersides of a human and a chimpanzee skull

The foramen magnum is the hole in the underside of the skull that forms a passage from the brain cavity to the spinal canal.

These illustrations show the underside and foramen magnum of a human skull (top) and a chimpanzee skull (bottom).

Creator:
Helen Beare
Rights:
© Australian Museum

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