part of part of Homo sapiens sphenoid bone zone of bone organ greater wings of sphenoid bone 2026-03-19T00:00:00Z A zone of bone organ forming the large lateral expansions of the sphenoid body that extend outward and upward to contribute to the floor of the middle cranial fossa, the lateral wall of the orbit, and the temporal and infratemporal fossae; each wing bears the foramen rotundum, foramen ovale, and foramen spinosum. David Osumi-Sutherland