Temporal fossa
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Through Temporal bone
Anatomy
Boundaries
- Medial/floor: frontal bone, parietal bone, (squamous part of) temporal bone, and sphenoid bone. The floor of the fossa features the pterion (the junction of these four bones).
- Lateral/roof: temporal fascia.
- Anterior: (posterior surface of) the frontal process of zygomatic bone, (the posterior surface of) the zygomatic process of frontal bone, and the maxilla.
- 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.
Contents
- Temporalis muscle
- Deep temporal arteries
- Deep temporal nerves
- Zygomaticotemporal nerve
Relations
Deep to the zygomatic arch, the temporal fossa is inferiorly continuous with the (lateral part of) the infratemporal fossa.
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