Infraorbital Nerve
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Infraorbital Nerve
Infraorbital nerve
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Left orbicularis oculi, seen from behind. (Infraorbital nerve labeled at lower left.)
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Sensory areas of the head, showing the general distribution of the three divisions of the fifth nerve. (Infraorbital nerve labeled at center left, at the nose.)
Details
From maxillary nerve
Identifiers
Latin Nervus infraorbitalis
TA A14.2.01.059
FMA 52978
Anatomical terms of neuroanatomy

After the maxillary nerve enters the infraorbital canal, the nerve is frequently called the infraorbital nerve. This nerve innervates (sensory) the lower eyelid, upper lip, and part of the nasal vestibule and exits the infraorbital foramen of the maxilla. There is a cross innervation of this nerve on the other side of jaw.[]

Clinical relevance

The infraorbital nerve block is a type of local anesthetic nerve block used to induce analgesia in the distribution of the nerve for whatever purpose.

After a fracture of the floor of the orbit, the infraorbital nerve may become trapped, producing an area of anaesthesia under the orbital rim.

See also

Additional images

References

This article incorporates text in the public domain from page 889 of the 20th edition of Gray's Anatomy (1918)

External links



  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.

Infraorbital_nerve
 



 

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