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[mak-sil-uh] /mækˈsɪl ə/

noun, plural maxillae
[mak-sil-ee] /mækˈsɪl i/ (Show IPA)
a jaw or jawbone, especially the upper.
one of the paired appendages immediately behind the mandibles of arthropods.
noun (pl) -lae (-liː)
the upper jawbone in vertebrates See jaw (sense 1)
any member of one or two pairs of mouthparts in insects and other arthropods used as accessory jaws

“jaw, jawbone,” 1670s, from Latin maxilla “upper jaw,” diminutive of mala “jaw, cheekbone.” “Maxilla stands to mala as axilla, ‘armpit,’ stands to ala ‘wing'” [Klein]. Related: Maxillar; maxilliform.

maxilla max·il·la (māk-sĭl’ə)
n. pl. max·il·las or max·il·lae (māk-sĭl’ē)
Either of a pair of irregularly shaped bones of the skull, fusing in the midline, supporting the upper teeth, and forming part of the eye sockets, hard palate, and nasal cavity; upper jaw.
Plural maxillae (māk-sĭl’ē) or maxillas
The upper part of the jaw in vertebrate animals.


Read Also:

  • Maxillary

    [mak-suh-ler-ee, mak-sil-uh-ree] /ˈmæk səˌlɛr i, mækˈsɪl ə ri/ adjective 1. of or relating to a jaw, jawbone, or . noun, plural maxillaries. 2. a or maxillary bone. adj. 1620s, from Latin maxilla (see maxilla) + -ary. maxillary max·il·lar·y (māk’sə-lěr’ē) adj. Of or relating to a jaw or jawbone, especially the upper one. n. A maxillar; […]

  • Maxillary antrum

    maxillary antrum n. See maxillary sinus.

  • Maxillary artery

    maxillary artery n. An artery with its origin in the external carotid artery and branches to the deep auricular, anterior tympanic, middle meningeal, inferior alveolar, masseteric, deep temporal, buccal, superior posterior alveolar, infraorbital, descending palatine arteries, the artery of the pterygoid canal, and the sphenopalatine artery; internal maxillary artery.

  • Maxillary dentition

    maxillary dentition n. See dental arch.

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