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	~~'''~~Pterygomaxillary fissure''' is a gap in the human skull, specifically located between the [[Pterygoid process]] of the [[Sphenoid bone]] and the [[Maxilla (bone)\|Maxilla]]. It is a significant anatomical feature as it allows for the passage of various structures from the [[Pterygopalatine fossa]] to the [[Infratemporal fossa]].		== Pterygomaxillary Fissure ==

	~~==Etymology==~~		[[File:Gray189.png\|thumb\|right\|Diagram of the pterygomaxillary fissure.]]
	~~The term "Pterygomaxillary" is derived from the Greek words "pteryx" meaning wing and "maxilla" meaning jawbone~~. ~~"Fissure" is derived from~~ the ~~Latin word "fissura" meaning a cleft or crack~~.

	~~==Anatomy==~~		The '''pterygomaxillary fissure''' is a vertical gap in the human skull that serves as a passageway for neurovascular structures. It is located between the [[pterygoid process]] of the [[sphenoid bone]] and the posterior aspect of the [[maxilla]]. This fissure is an important anatomical landmark in the [[pterygopalatine fossa]], which is a deep space in the skull that houses several important nerves and blood vessels.
	The ~~Pterygomaxillary~~ fissure is a ~~narrow,~~ vertical gap that is located between the pterygoid process of the sphenoid bone and the maxilla. ~~It serves as a communication between the pterygopalatine fossa and the infratemporal fossa. Structures that pass through this~~ fissure ~~include~~ the [[~~Posterior superior alveolar artery~~]] ~~and~~ nerves, and ~~the [[Pharyngeal nerve]]~~.

	==~~Clinical Significance~~==		== Anatomy ==
	Due to its location and the structures that pass through it, the Pterygomaxillary fissure can be involved in various medical conditions. For instance, it can be affected in cases of [[Maxillary sinusitis]], where inflammation of the sinus can spread to the structures passing through the fissure. It can also be involved in certain types of [[Oral and maxillofacial surgery\|oral surgeries]], where knowledge of its location and the structures passing through it is crucial.

	==Related ~~Terms~~==		The pterygomaxillary fissure is bounded anteriorly by the [[maxilla]] and posteriorly by the [[pterygoid process]] of the [[sphenoid bone]]. Superiorly, it is continuous with the [[inferior orbital fissure]], and inferiorly, it opens into the [[pterygopalatine fossa]].
	* [[~~Pterygoid process~~]]
			=== Contents ===

			The pterygomaxillary fissure transmits the [[maxillary artery]], which is a major branch of the [[external carotid artery]]. This artery supplies blood to the deep structures of the face, including the [[nasal cavity]], [[oral cavity]], and [[pharynx]].

			== Clinical Significance ==

			The pterygomaxillary fissure is of clinical importance due to its role in surgical approaches to the [[pterygopalatine fossa]]. Surgeons may access this area to treat conditions such as [[trigeminal neuralgia]] or to perform [[maxillary sinus]] surgery. Understanding the anatomy of the pterygomaxillary fissure is crucial for avoiding damage to the [[maxillary artery]] and associated nerves during such procedures.

			== Related Pages ==

			* [[Pterygopalatine fossa]]
			* [[Maxillary artery]]
	* [[Sphenoid bone]]		* [[Sphenoid bone]]
	* [[Maxilla ~~(bone)\|Maxilla]]~~		* [[Maxilla]]
	* [[Pterygopalatine fossa]]
	* [[Infratemporal fossa]]
	* [[Posterior superior alveolar artery]]
	* [[Pharyngeal nerve]]
	* [[Maxillary sinusitis]]
	* [[Oral and maxillofacial surgery]]

	~~[[Category:Anatomy]]~~
	~~[[Category:Skull]]~~
	~~[[Category:Medical terminology~~]]

	~~{{stub}}~~		[[Category:Anatomy of the head and neck]]

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2024-02-19T23:48:12Z

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'''Pterygomaxillary fissure''' is a gap in the human skull, specifically located between the [[Pterygoid process]] of the [[Sphenoid bone]] and the [[Maxilla (bone)|Maxilla]]. It is a significant anatomical feature as it allows for the passage of various structures from the [[Pterygopalatine fossa]] to the [[Infratemporal fossa]].

==Etymology==
The term "Pterygomaxillary" is derived from the Greek words "pteryx" meaning wing and "maxilla" meaning jawbone. "Fissure" is derived from the Latin word "fissura" meaning a cleft or crack.

==Anatomy==
The Pterygomaxillary fissure is a narrow, vertical gap that is located between the pterygoid process of the sphenoid bone and the maxilla. It serves as a communication between the pterygopalatine fossa and the infratemporal fossa. Structures that pass through this fissure include the [[Posterior superior alveolar artery]] and nerves, and the [[Pharyngeal nerve]].

==Clinical Significance==
Due to its location and the structures that pass through it, the Pterygomaxillary fissure can be involved in various medical conditions. For instance, it can be affected in cases of [[Maxillary sinusitis]], where inflammation of the sinus can spread to the structures passing through the fissure. It can also be involved in certain types of [[Oral and maxillofacial surgery|oral surgeries]], where knowledge of its location and the structures passing through it is crucial.

==Related Terms==
* [[Pterygoid process]]
* [[Sphenoid bone]]
* [[Maxilla (bone)|Maxilla]]
* [[Pterygopalatine fossa]]
* [[Infratemporal fossa]]
* [[Posterior superior alveolar artery]]
* [[Pharyngeal nerve]]
* [[Maxillary sinusitis]]
* [[Oral and maxillofacial surgery]]

[[Category:Anatomy]]
[[Category:Skull]]
[[Category:Medical terminology]]

{{stub}}

Pterygomaxillary fissure - Revision history

Prab: CSV import

Prab: CSV import