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- Definition The mandible is the largest bone in the human skull and supports the lower teeth. It is the only mobile bone of the skull and is essential for chewing, swallowing, and speaking. Many muscles originate at or insert into the mandible bone.
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Sep 11, 2020 · Definition. The mandible is the largest bone in the human skull and supports the lower teeth. It is the only mobile bone of the skull and is essential for chewing, swallowing, and speaking. Many muscles originate at or insert into the mandible bone.
Mandible, in anatomy, the movable lower jaw, consisting of a single bone or of completely fused bones in humans and other mammals. In birds, the mandible constitutes either the upper or the lower segment of the bill, and in invertebrates it is any of the various mouthparts that holds or bites food.
- The Editors of Encyclopaedia Britannica
MANDIBLE definition: 1. in a person or animal, the lower jaw bone 2. in insects, one of the two parts of the mouth used…. Learn more.
In jawed vertebrates, the mandible (from the Latin mandibula, 'for chewing'), lower jaw, or jawbone is a bone that makes up the lower – and typically more mobile – component of the mouth (the upper jaw being known as the maxilla).
1. a. : jaw sense 1a. especially : a lower jaw consisting of a single bone or of completely fused bones. b. : the lower jaw with its investing soft parts. c. : either the upper or lower segment of the bill of a bird. 2. : any of various invertebrate mouthparts serving to hold or bite food materials.
Nov 3, 2023 · The mandible is the largest bone of the facial skeleton (viscerocranium). Besides the bones of the middle ear, the mandible is the only mobile bone in the skull. Unlike other bones of the skull, the mandible doesn’t articulate with the surrounding bones via sutures, but rather via a synovial joint called the temporomandibular joint.
1. The lower jaw of a vertebrate animal. 2. Either the upper or lower part of the beak in birds. 3. Any of various mouth organs of invertebrates used for seizing and biting food, especially either of a pair of such organs in insects and other arthropods. man·dib′u·lar (-dĭb′yə-lər) adj.
