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2025-02-18T04:36:58Z

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2024-02-22T03:16:24Z

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'''Infratemporal Fossa'''

The '''Infratemporal Fossa''' is an irregularly shaped cavity, situated below and medial to the [[zygomatic arch]]. It is not completely enclosed in bone in all directions and is deep and inverted to the [[temporal fossa]].

== Anatomy ==

The '''Infratemporal Fossa''' is bounded by several anatomical structures:

* '''Laterally''': by the [[ramus of the mandible]], which contains the [[mandibular foramen]] and the [[lingula of the mandible]].
* '''Medially''': by the [[lateral pterygoid plate]] of the [[sphenoid bone]].
* '''Superiorly''': by the [[greater wing of the sphenoid bone]] and the [[temporal bone]].
* '''Inferiorly''': by the attachment of the [[medial pterygoid muscle]].
* '''Anteriorly''': by the [[maxilla]] and the [[zygomatic bone]].
* '''Posteriorly''': by the [[styloid process]], the [[mastoid process]] of the temporal bone, and the [[parotid gland]].

== Contents ==

The '''Infratemporal Fossa''' contains several important structures:

* '''Muscles''': [[medial pterygoid muscle]], [[lateral pterygoid muscle]], and parts of the [[temporalis muscle]].
* '''Nerves''': branches of the [[mandibular nerve]] (V3), including the [[inferior alveolar nerve]], [[lingual nerve]], and [[buccal nerve]].
* '''Vessels''': [[maxillary artery]] and [[pterygoid venous plexus]].
* '''Other''': [[chorda tympani nerve]], [[otic ganglion]], and [[sphenomandibular ligament]].

== Clinical Significance ==

Due to its location and the vital structures it contains, the '''Infratemporal Fossa''' is clinically significant in several areas of medicine, including [[anesthesiology]], [[dentistry]], [[otolaryngology]], and [[neurosurgery]]. Conditions that may involve the infratemporal fossa include [[temporomandibular joint disorder]], [[trigeminal neuralgia]], [[mandibular fractures]], and [[tumors]] or [[infections]] that spread from the [[oral cavity]] or [[paranasal sinuses]].

== See Also ==

* [[Temporal Fossa]]
* [[Pterygopalatine Fossa]]
* [[Mandibular Nerve]]
* [[Maxillary Artery]]

== References ==

<references />

[[Category:Anatomy]]
[[Category:Head and Neck]]
[[Category:Medical Terminology]]

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Infratemporal fossa - Revision history

Prab: CSV import

Prab: CSV import