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The temporal fossa is a shallow depression on the side of the skull bounded by the temporal lines and terminating below the level of the zygomatic arch.
- Medial: Os frontale, os parietale, os temporale, os sphenoidale, os occipitale (bones of neurocranium).
- Lateral: Temporal fascia
- Anterior: Posterior surface of the frontal process of the zygomatic bone and the posterior surface of the zygomatic process of the frontal bone.
- Superior: Pair of temporal lines (superior and inferior temporal lines) that arch across the skull from the zygomatic process of the frontal bone to the supramastoid crest of the temporal bone
- Inferior: Zygomatic arch laterally and by the infratemporal crest of the greater wing of the sphenoid medially.