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In anatomy, the zygomatic arch, or cheek bone, is a part of the skull formed by the zygomatic process of the temporal bone (a bone extending forward from the side of the skull, over the opening of the ear) and the temporal process of the zygomatic bone (the side of the cheekbone), the two being united by an oblique suture (the zygomaticotemporal suture); the tendon of the temporal muscle ...
The zygomatic process of the temporal bone is a long, arched process projecting from the lower part of the squamous portion of the temporal bone. It articulates with the zygomatic bone . This process is at first directed lateralward, its two surfaces looking upward and downward; it then appears as if twisted inward upon itself, and runs forward ...
Zygomatic bone. In the human skull, the zygomatic bone (from Ancient Greek: ζῠγόν, romanized : zugón, lit. 'yoke'), also called cheekbone or malar bone, is a paired irregular bone, situated at the upper and lateral part of the face and forming part of the lateral wall and floor of the orbit, of the temporal fossa and the infratemporal fossa.
The zygomatic arches are more commonly known as the cheekbones, which are located on the sides of the skull. The trunk of the superficial temporal veins is located where the parietal and frontal ...
Zygomaticus major. The zygomaticus major muscle is a muscle that controls facial expression, drawing the mouth’s angle upward and outward. The zygomaticus major muscle starts at the cheekbone ...
Trismus is defined as painful restriction in opening the mouth due to a muscle spasm, [5] however it can also refer to limited mouth opening of any cause. [6] Another definition of trismus is simply a limitation of movement. [4] Historically and commonly, the term lockjaw was sometimes used as a synonym for both trismus [2] and tetanus.
Zygomaticomaxillary complex fracture. Right zygomaticomaxillary complex fracture with disruption of the lateral orbital wall, orbital floor, zygomatic arch and maxillary sinus. The zygomaticomaxillary complex fracture, also known as a quadripod fracture, quadramalar fracture, and formerly referred to as a tripod fracture or trimalar fracture ...
Zygomaticus major shown in red. The zygomaticus major muscle is a muscle of the face. It arises from either zygomatic arch ( cheekbone ); it inserts at the corner of the mouth. It is innervated by branches of the facial nerve (cranial nerve VII) . It is a muscle of facial expression, which draws the angle of the mouth superiorly and posteriorly ...