maxilla(redirected from maxillas)
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n. pl. max·il·lae (măk-sĭl′ē) or max·il·las
1. Anatomy Either of a pair of bones of the human skull fusing in the midline and forming the upper jaw.
2. A homologous bone of the skull in other vertebrates.
3. Either of two laterally moving appendages situated behind the mandibles in insects and most other arthropods.
n, pl -lae (-liː)
1. (Zoology) the upper jawbone in vertebrates. See jaw1
2. (Zoology) any member of one or two pairs of mouthparts in insects and other arthropods used as accessory jaws
[C17: New Latin, from Latin: jaw]
maxillar, maxˈillary adj
n., pl. max•il•lae (mækˈsɪl i)
1. an upper jaw or jawbone.
2. one of the paired appendages immediately behind the mandibles of arthropods.
[1670–80; < New Latin; Latin maxilla lower jaw, diminutive of māla (<*maxlā) upper jaw, cheekbone]
The upper part of the jaw in vertebrate animals.
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|Noun||1.||maxilla - the jaw in vertebrates that is fused to the cranium|
hard palate - the bony part of the roof of the mouth
intermaxillary suture, sutura intermaxillaris - the suture between the two maxillae of the upper jawbone
jaw - the part of the skull of a vertebrate that frames the mouth and holds the teeth