In front, the frontal bone forms a joint with the two small bones of the bridge of the nose and with the zygomatic bone (which forms part of the cheekbone; see below The facial bones and their complex functions), the sphenoid, and the maxillary bones.
Between the nasal and zygomatic bones, the horizontal portion of the frontal bone extends back to form a part of the roof of the eye socket, or orbit; it thus serves an important protective function for the eye and its accessory structures.
Thus, the floor of the orbit is made up of parts of the maxilla, zygomatic, and palatine bones, while the roof is made up of the orbital plate of the frontal bone and, behind this, by the lesser wing of the sphenoid.
Reptilian dermal roofing bones, lying superficial to the muscles of the jaw, are represented in mammals only by the jugal bone of the zygomatic arch, which lies under the eye.
Electrical stimulation of the main lifting muscle of the upper lip, the zygomatic major, with currents of varying intensity produces facial expressions ranging from the faint smile through the broad grin to the contortions typical of explosive laughter.
The masseter passes from the angular process of the mandible to the zygomatic arch.
There were rights and lefts that both Muhammad's zygomatic arches would have nightmares about for years to come.
The zygomatic muscles are superficially involved.
Broken nose, broken zygomatic arch, crushed seventh cranial nerve, three of his front teeth snapped off at the gum, concussion, alive.
A. In a fake smile, only the zygomatic major muscle, which runs from the cheekbone to the corner of the lips, moves.
Cut through "ribs 2 through 6 just anterior to the serratus anterior muscle," commands the Dissector, while Montross writes of the "winging curl of the zygomatic bone" or the inner lines of the pelvis, which "rise and flare and become its outer edges, like the bloom of a calla lily".
