What passes through infratemporal fossa?
The mandibular nerve enters the infratemporal fossa and passes through the foramen ovale in the sphenoid bone, and divides at that point into a smaller anterior and a larger posterior trunk. The main trunk gives off two branches at this point.
What’s the infratemporal fossa?
The infratemporal fossa is a complex space of the face that lies posterolateral to the maxillary sinus and many important nerves and vessels traverse it. It lies below the skull base, between the pharyngeal sidewall and ramus of the mandible.
What divides the temporal and infratemporal fossa?
Bony framework Bones that contribute significantly to the boundaries of the temporal and infratemporal fossae include the temporal, zygomatic, and sphenoid bones, and the maxilla and mandible. Parts of the frontal and parietal bones are also involved.
What is Infratemporal region?
Infratemporal fossa. This is a space lying beneath the base of the skull between the side wall of the pharynx and the ramus of the mandible. It is also referred to as the parapharyngeal or lateral pharyngeal space.
Why is the infratemporal fossa important?
The infratemporal fossa serves as the passageway for many neurovascular structures. In addition to this, it contains superficial muscles like the inferior portion of the temporalis muscle, the lateral pterygoid muscle and the medial pterygoid muscle.
What is infratemporal fossa tumors?
Neoplastic processes involving the infratemporal fossa may originate from the tissues in the region, but more often are the result of extension from neighboring structures. Metastatic lesions located in the region are rarely encountered. Because of its concealed localization, tumors may remain unnoticed for some time.
What is infratemporal fossa?
The infratemporal fossa is a space that exists below the temporal fossa. The fossa is shaped irregularly and is situated below and medial to the zygomatic arch. It is not fully enclosed by bone. The infratemporal fossa serves as the passageway for many neurovascular structures.
What is the Infratemporal approach?
The infratemporal fossa approach (ITFA) is one of the several approaches to the skull base, including maxillary swing, midfacial degloving, facial translocation, endonasal transsphenoidal, subfrontal interhemispheric, orbitozygomatic, pterional, subtemporal, middle cranial fossa, translabyrinthine, transcochlear.
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