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Superior Labial Branches of Infraorbital Nerve (Right)
Nervous System

Superior Labial Branches of Infraorbital Nerve (Right)

Rami labiales superiores nervi infraorbitalis

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Quick Facts

Origin: Infraorbital nerve.

Course: Run from the area of the infraorbital foramen inferiorly, deep to the levator labii superioris muscles until they reach the superior lip.

Branches: None.

Supply: Conveys general sensory information from the skin and mucosal surfaces of the upper lips.

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Origin

The superior labial branches of the infraorbital nerve originate just distally to the infraorbital foramen where the infraorbital nerve splits into its terminal branches. Its sensory fibers have cell bodies located in the trigeminal ganglion.

Course

The superior labial branches of the infraorbital nerve run from the area of the infraorbital foramen inferiorly. They run deep to the levator labii superioris muscles and into the upper lip.

Branches

There are no named branches.

Supplied Structures

The superior labial branches of the infraorbital nerve convey general sensory information from the skin and mucosal lining of the upper lip. It is unclear if they transmit parasympathetic fibers to the labial glands of the upper lip.

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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