Maxilla definitions

măk-sĭl'ə
Either of a pair of bones of the human skull fusing in the midline and forming the upper jaw.
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A homologous bone of the skull in other vertebrates.
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Either of two laterally moving appendages situated behind the mandibles in insects and most other arthropods.
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In vertebrates, the upper jaw, or a major bone or cartilage of the upper jaw.
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In most arthropods, as insects or crabs, one of the first or second pair of accessory jaws or head appendages situated just behind the mandibles.
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Either of a pair of bones of the human skull fusing in the midline and forming the upper jaw.
noun
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A homologous bone of the skull in other vertebrates.
noun
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Either of two laterally moving appendages situated behind the mandibles in insects and most other arthropods.
noun
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The upper part of the jaw in vertebrate animals.
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Either of the two bones that together form the upper jaw.
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Origin of maxilla

From Latin maxilla (“jaw"), a diminutive of māla (“jaw").

Sentence Examples

  • It may assume the form of a bivalve shell entirely enclosing the body and limbs, as in many 6, maxilla (second maxilla).

  • a, Labium; b, maxilla; c, labrum; d, mandible.

  • Behind it, and freely communicating with it beneath the osseous bridge (the post-orbital process of the frontal) forming the boundary between them, is the small temporal fossa occupying the whole of the side of the cranium proper, and in front is the great flattened expanse of the " cheek," formed chiefly by the maxilla, giving support to the long row of cheek-teeth, and having a prominent ridge running forward from below the orbit for the attachment of the masseter muscle.

  • Solid as it looks, its weight is inconsiderable, and the perfect hinge by which the maxilla is articulated adds to its efficiency as an instrument of prehension.

  • may also be present on the Maxilla.

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Words near maxilla in the Dictionary