maxilla

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maxilla
1. In vertebrates, the posterior bone of the upper jaw, which bears the teeth other than the incisors. The term is sometimes applied to the whole of the upper jaw.

2. In some Arthropoda, one of a pair of mouth-parts used in eating. The maxillae are paired, limb-like structures located immediately behind the mandibles, which articulate with the head capsule. See also MAXILLARY PALP.

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