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09/12/2019

What passes through temporal fossa?

What passes through temporal fossa?

The temporal fossa is primarily occupied by the temporalis muscle, but there are a few other contents which include: deep temporal arteries. deep temporal nerves. superficial temporal artery.

Which branch of facial nerve is the content of infratemporal fossa?

Mandibular nerve
Mandibular nerve which is the third branch of the trigeminal nerve (CN V3), also known as the “inferior maxillary nerve” or nervus mandibularis, enters infratemporal fossa from middle cranial fossa through foramen ovale.

Does the lingual nerve pass through the infratemporal fossa?

The lingual nerve carries general sensation from the anterior two-thirds of the tongue. The lingual nerve is joined by the chorda tympani nerve in the infratemporal fossa to provide presynaptic parasympathetic axons to the submandibular ganglion from the facial nerve.

What passes through the foramen ovale?

The important structures which pass through it are the mandibular nerve, the accessory meningeal artery, the lesser superficial petrosal nerve and the emmissary vein [1]. This is the one of the important foramina which are situated at the transition zone between the intracranial and the extracranial structures [2].

What is the function of temporal fossa?

The temporal fossa serves as a site of origin for the temporal muscle. It originates from the superior, anterior and posterior borders of the temporal fossa and resides within its concavity as the muscle fibers move towards their insertion point, which lies under the zygomatic arch.

What structure does the temporal fossa accommodate?

The infratemporal fossa accommodates the insertion of the temporalis muscle, medial and lateral pterygoid muscles, mandibular nerve [cranial nerve (CN) V-3], otic ganglion, chorda tympani nerve, maxillary artery, and the pterygoid plexus of the veins.

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.

Which of the following veins can be observed in the infratemporal fossa?

In addition to the pterygoid venous plexus, the retromandibular vein is also found within the infratemporal fossa.

Where does the infraorbital nerve enter the skull?

The infraorbital nerve is a purely sensory nerve derived from the second maxillary division of the trigeminal nerve. The infraorbital nerve is a terminal branch that exits the skull through the foramen rotundum to enter the pterygopalatine fossa.

What are the borders of the temporal fossa?

Both superiorly and posteriorly the temporal fossa is bordered by the superior temporal line (origin of the deep temporal fascia). The inferior border runs along the zygomatic arch. Lastly, the anterior border is marked by the frontal process of the zygoma and the zygomatic process of the frontal bone. Temporal fossa (lateral-left view)

Can a fracture of the infraorbital nerve cause facial pain?

The infraorbital nerve can be implicated in trigeminal neuralgia, where patients have severe facial pain. A fracture of the floor of the orbit can injure the infraorbital nerve resulting in anesthesia in its sensory distribution.

Is the foramen superior to the canine fossa?

The foramen’s facial surface is superior to the canine fossa and inferior to the lower margin of the orbit. It transmits the infraorbital nerve (a branch of the maxillary division of the trigeminal nerve (CN Vb) and infraorbital artery and vein.