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Internal Nasal Branches of Infraorbital Nerve (Right)
Nervous System

Internal Nasal Branches of Infraorbital Nerve (Right)

Rami nasales interni nervi infraorbitalis

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Quick Facts

Origin: Nasal branch of the infraorbital nerve.

Course: Run inferiorly to the ala of the nose where they wrap around the ala and into the vestibule of the nasal cavity.

Branches: None.

Supply: Convey general sensory information from the vestibule of the nasal cavity and the anterior most septum.

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Origin

The internal nasal branches of the infraorbital nerve are branches of the nasal branch of the infraorbital nerve and originate just distal to the infraorbital foramen. Their sensory fibers have cell bodies located in the trigeminal ganglion.

Course

The internal nasal branches of the infraorbital nerve run inferiorly and medially to the ala of the nose, which they wrap around to enter the vestibule of the nose. The branches continue to the anterior most septum.

Branches

There are no named branches.

Supplied Structures

The internal nasal branches of the infraorbital nerve are sensory nerves. They convey general sense information from the vestibule of the nasal cavity and the anterior most septum.

Learn more about this topic from other Elsevier products

Infraorbital Nerve

ScienceDirect image

Dysfunction of the infraorbital nerve is common and intuitively related to the severity of the initial trauma, the status of the nerve, and the complexity of dissection/stretching of the soft tissue.

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