maxilla

noun max·il·la \ mak-ˈsi-lə \

Definition of maxilla

plural maxillae play \-ˈsi-(ˌ)lē, -ˌlī\ or maxillas
1 a :jaw 1a
b (1) :an upper jaw especially of humans and other mammals in which the bony elements are closely fused
(2) :either of the two bones that lie with one on each side of the upper jaw lateral to the premaxilla and that in higher vertebrates bear most of the teeth
2 :one of the first or second pair of mouthparts posterior to the mandibles in many arthropods (such as insects or crustaceans)

maxillary

play \ˈmak-sə-ˌler-ē, chiefly British mak-ˈsi-lə-rē\ adjective or noun

Origin and Etymology of maxilla

Latin, diminutive of mala jaw


MAXILLA Defined for Kids

maxilla

noun max·il·la \ mak-ˈsi-lə \

Definition of maxilla for Students

plural maxillae \-lē\
1 :an upper jaw especially of a mammal
2 :either of the pair of mouth parts next behind the mandibles of an arthropod (as an insect or a crustacean)

Medical Dictionary

maxilla

noun max·il·la \ mak-ˈsil-ə \

medical Definition of maxilla

plural maxillae play \-ˈsil-(ˌ)ē, -ˌī\ or maxillas
1 :jaw 1a
2 a :an upper jaw especially of humans or other mammals in which the bony elements are closely fused
b :either of two membrane bone elements of the upper jaw that lie lateral to the premaxillae and that in higher vertebrates including humans bear most of the teeth
3 :one of the first or second pair of mouthparts posterior to the mandibles in insects, myriopods, crustaceans and closely related arthropods

Illustration of maxilla


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