maxilla definition

  • noun:
    • Anatomy Either of a set of bones of the person head fusing in the midline and creating the upper jaw.
    • A homologous bone tissue associated with head in other vertebrates.
    • Either of two laterally going appendages situated behind the mandibles in insects and a lot of various other arthropods.
    • Either of this two bones that collectively form top of the jaw.
    • Arachnid mouthpart
    • The bone tissue of either the top of and/or under jaw.
    • The bone tissue, or main bone, associated with top jaw, the bone tissue of reduced jaw being the mandible.
    • One of the reduced or outer jaws of arthropods.
    • In anatomy and zoology: A jaw or jaw-bone; a maxillary bone; specifically, a bone for the upper jaw, as distinguished from mandible.
    • particularly, the supramaxillary bone tissue proper, as distinguished from premaxillary or intermaxillary, which will be frequently fused therewith in the greater vertebrates.
    • In entomology, like in bugs and arachnidans, one of many second pair of gnathites; either one, appropriate and left, of the second or reduced set of horizontal jaws, next behind or below the mandibles.
    • In Crustacea, the proper or left certainly one of either associated with the two sets of gnathites that can come next following the mandibles, between these additionally the maxillipeds. The maxillæ of a crustacean therefore correspond to those of an insect, but there is an additional set of all of them.
    • the jaw in vertebrates that is fused on cranium

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    • the most important bone tissue associated…
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