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The zygomatico-orbital foramina are two canals in the skull, that allow nerves to pass through. The orifices are seen on the orbital process of the zygomatic bone.
One of these canals opens into the temporal fossa, the other on the malar surface of the bone.
The former transmits the zygomaticotemporal, the latter the zygomaticofacial nerve.
This article incorporates text in the public domain from page 165 of the 20th edition of Gray's Anatomy (1918)