Infraorbital nerve

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Nerve: Infraorbital nerve
Left orbicularis oculi, seen from behind. (Infraorbital nerve labeled at lower left.)
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.)
Latin	n. infraorbitalis
Gray's	subject #200 889
Innervates
From	maxillary nerve
To
MeSH	[1]

After the maxillary nerve enters the infraorbital canal, the nerve is frequently called the infraorbital nerve.

See also

• infraorbital artery
• external nasal nerve

Additional images

Mandibular division of the trifacial nerve.

The nerves of the scalp, face, and side of neck.

Outline of side of face, showing chief surface markings.

External links

• SUNY Labs 33:08-0104
• Norman/Georgetown lesson3
• MedEd at Loyola GrossAnatomy/h_n/cn/cn1/cnb2.htm
• Dictionary at eMedicine Infraorbital+nerve
• Norman/Georgetown lesson3 (orbit6)

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

Nerves of head and neck: the cranial nerves

I-IV: olfactory - optic - oculomotor - trochlear

V: trigeminal: trigeminal ganglion
V1: ophthalmic: lacrimal - frontal (supratrochlear, supraorbital) - nasociliary (long root of ciliary, long ciliary, infratrochlear, posterior ethmoidal, anterior ethmoidal) - ciliary ganglion (short ciliary)
V2: maxillary: middle meningeal - in the pterygopalatine fossa (zygomatic, zygomaticotemporal, zygomaticofacial, sphenopalatine, posterior superior alveolar)
in the infraorbital canal/infraorbital nerve (middle superior alveolar, anterior superior alveolar)
on the face (inferior palpebral, external nasal, superior labial, infraorbital plexus) - pterygopalatine ganglion (deep petrosal, nerve of pterygoid canal)
branches of distribution (palatine, nasopalatine, pharyngeal)
V3: mandibular: nervus spinosus - medial pterygoid - anterior (masseteric, deep temporal, buccal, lateral pterygoid)
posterior (auriculotemporal, lingual, inferior alveolar, mylohyoid, mental) - otic ganglion - submandibular ganglion

VI: abducens

VII: facial: nervus intermedius - geniculate - inside facial canal (greater petrosal, nerve to the stapedius, chorda tympani)
at exit from stylomastoid foramen (posterior auricular, digastric - stylohyoid)
on face (temporal, zygomatic, buccal, mandibular, cervical)

VIII: vestibulocochlear: cochlear (striae medullares, lateral lemniscus) - vestibular

IX: glossopharyngeal: fasciculus solitarius - nucleus ambiguus - ganglia (superior, petrous) - tympanic - carotid sinus

X: vagus: ganglia (jugular, nodose) - Alderman's nerve - in the neck (pharyngeal branch, superior laryngeal ext and int, recurrent laryngeal)
in the thorax (pulmonary branches, esophageal plexus) - in the abdomen (gastric plexuses, celiac plexus, gastric plexus)

XI: accessory XII: hypoglossal