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Jaw, either of a pair of bones that form the framework of the mouth of vertebrate animals, usually containing teeth and including a movable lower jaw (mandible) and fixed upper jaw (maxilla). Jaws function by moving in opposition to each other and are used for biting, chewing, and the handling of.
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).
Learn about the anatomy of the jaw and why it’s important. The jaw is made up of two main parts: Upper jaw bone, called the maxilla. Holds the teeth in the upper jaw. Helps form the nose, palate, and orbit (bony socket housing the eyeballs and other supporting structures).
Mar 23, 2023 · Your jawbone, also called a mandible, connects to your skull at a pair of joints known as the temporomandibular joints, or TMJs. These joints are just in front of your ears, and they let you open...
The meaning of JAWBONE is jaw; especially : mandible. How to use jawbone in a sentence.
JAWBONE definition: 1. the bone that forms the shape of the lower part of the face 2. to talk to someone, especially to…. Learn more.
A jaw that’s too small, too large, or crooked can cause problems with chewing, speaking, breathing, and even sleeping. The shape of your jaws also affects the way your face looks. This sheet helps you understand how the teeth and jaws work. It also describes common jaw problems that may need treatment.
Feb 23, 2022 · Also known as the lower jawbone, the mandible is the largest and strongest bone of the face. Tasked with holding the lower set of teeth in place, this bone has a symmetrical, horseshoe shape.
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Dec 28, 2018 · The temporomandibular (tem-puh-roe-man-DIB-u-lur) joint (TMJ) acts like a sliding hinge, connecting your jawbone to your skull. You have one joint on each side of your jaw. TMJ disorders — a type of temporomandibular disorder or TMD — can cause pain in your jaw joint and in the muscles that control jaw movement.
Feb 7, 2022 · Forms the lower jawline, shaping the face and chin. The teeth in the lower jaw are also rooted to this bone. Helps in mastication or chewing of food. Being the only mobile skull bone, it aids in the movement of the mouth, helping with eating, and talking. Forms and protects the organs and vessels in the oral cavity.
