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or·bi·tal pro·cess(ōr'bi-tăl pros'es)
The anterior and larger of the two processes at the upper extremity of the vertical plate of the palatine bone, articulating with the maxilla, ethmoid, and sphenoid bones.
1. The process at the tip of the perpendicular portion of the palatine bone directed upward and backward.
2. The process of the zygomatic bone that forms the anterior boundary of the temporal fossa.
See also: process