Infraorbital nerve
Encyclopedia
After the maxillary nerve enters the infraorbital canal
Infraorbital canal
Not to be confused with the infraorbital groove and infraorbital foramen, which are on opposite ends of the canal.One of the canals of the orbital surface of the maxilla, the infraorbital canal, opens just below the margin of the orbit...

, the nerve is frequently called the infraorbital nerve. This nerve innervates the lower eyelid, upper lip
Upper lip
The upper lip covers the anterior surface of the body of the maxilla.Its upper half is of usual skin color and has a depression at its centre, directly under the nasal septum, called the philtrum, while its lower half is a markedly different, red-colored skin tone more similar to the colour of the...

, and part of the nasal vestibule
Nasal vestibule
Nasal Vestibule is the most anterior part of the nasal cavity. It is enclosed by the cartilages of nose and lined by the same epithelium of the skin . The other part of the nasal cavity, which is lined by the respiratory epithelium, is called nasal cavity proper...

 and exits the infraorbital foramen
Infraorbital foramen
Above the canine fossa is the infraorbital foramen, the end of the infraorbital canal; it transmits the infraorbital artery, vein, and infraorbital nerve.-External links: *...

 of the maxilla
Maxilla
The maxilla is a fusion of two bones along the palatal fissure that form the upper jaw. This is similar to the mandible , which is also a fusion of two halves at the mental symphysis. Sometimes The maxilla (plural: maxillae) is a fusion of two bones along the palatal fissure that form the upper...

.

See also

  • infraorbital artery
    Infraorbital artery
    The infraorbital artery is an artery in the head that runs in the maxilla, emerging through the infraorbital foramen, just under the orbit of the eye.-Course:...

  • external nasal nerve
    External nasal nerve
    The external nasal branches are terminal branches of the anterior ethmoidal nerves , and provide sensory innervation to the skin of the side of the nose and of the septum mobile nasi....

  • internal nasal branches of infraorbital nerve
    Internal nasal branches of infraorbital nerve
    The internal nasal branches of infraorbital nerve are small branches which can supply the septum....


There is a cross innervation of this nerve on the other side of jaw
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