In most vertebrates, the jaws are bony or cartilaginous and oppose vertically, comprising an upper jaw and a lower jaw. The vertebrate jaw is derived from the most anterior two pharyngeal arches …

The jaw consists of two main components: the upper jaw, known as the maxilla, and the lower jaw, called the mandible. These structures are connected by a joint called the temporomandibular joint …

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).

The meaning of JAW is either of two complex cartilaginous or bony structures in most vertebrates that border the mouth, support the soft parts enclosing it, usually bear teeth on their oral margin, and are …

Dec 18, 2025 · Jaw pain can be caused by temporomandibular joint disorder (TMD), bruxism, and dental issues. Symptoms like nausea and shortness of breath with jaw pain can mean a heart attack.

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.

JAW meaning: 1. the lower part of your face that moves when you open your mouth: 2. either of the two bones in…. Learn more.

JAW definition: either of two bones, the mandible or maxilla, forming the framework of the mouth. See examples of jaw used in a sentence.

Define jaw. jaw synonyms, jaw pronunciation, jaw translation, English dictionary definition of jaw. n. 1. a. Either of two bony or cartilaginous structures that in most vertebrates form the framework of the …

Each human has two jaws - the upper and lower jaw. The upper jaw is formed by two paired maxillae fused with the sutures. The upper jaw is not movable as the maxilla is a fixated part of the skull. The …