Maxilla

The maxilla is the upper jaw. In mammals it is tightly fused to the skull, but in fish and reptiles it is usually not. In snakes, for example, the maxilla is able to move relative to the rest of the skull, and the jaws can separate entirely to swallow prey.

Maxilla Media

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  Inferior surface of maxilla

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  Anterior surface of maxilla at birth

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  Inferior surface of maxilla at birth

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  Fracture of the left lacrimal / maxillary bone

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  Skull. Maxilla shown in green.