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Infratemporal fossa
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<p>The infratemporal fossa is an irregularly shaped cavity that is a part of the <a href="/facts/Skull/A9Wp63Np">skull</a>. It is situated below and medial to the <a href="/facts/Zygomatic_arch/KokazFsE">zygomatic arch</a>. It is not fully enclosed by bone in all directions. It contains superficial muscles, including the lower part of the <a href="/facts/Temporalis_muscle/DkwmKvru">temporalis muscle</a>, the <a href="/facts/Lateral_pterygoid_muscle/mt0Q6SE7">lateral pterygoid muscle</a>, and the <a href="/facts/Medial_pterygoid_muscle/EhFBh458">medial pterygoid muscle</a>. It also contains important blood vessels such as the <a href="/facts/Middle_meningeal_artery/B1XJKglC">middle meningeal artery</a>, the <a href="/facts/Pterygoid_plexus/fXV2wMa1">pterygoid plexus</a>, and the <a href="/facts/Retromandibular_vein/5X7SJg4e">retromandibular vein</a>, and nerves such as the <a href="/facts/Mandibular_nerve/nqNleDY6">mandibular nerve</a> (CN V3) and its branches. </p>