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zygomatic bone n a bone of the side of the face below the eye that in mammals forms part of the zygomatic arch and part of the orbit and articulates with the temporal, sphenoid, and frontal bones and with the maxilla of the upper jaw called also cheekbone, jugal, malar bone, zygoma
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(zygoma, malar bone)
either of a pair of bones that form the prominent part of the cheeks and contribute to the orbits. See skull.
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os zygomaticum.Medical dictionary. 2011.