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The 'mental protruberance', or chin, is a feature of human anatomy, a functional protrusion on our lower jawbones.

It is not technically accurate to call this same spot a 'chin' on a non-human animal (with one exception - elephants), they do not have the same jaw structure. You can call it a chin and everyone will know what you mean, and there isn't really a good word to describe it otherwise. But it's just the curve of their mandible and not a functional structure like ours.

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12y ago

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