Infraorbital plexus

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Nerve: Infraorbital plexus

Mandibular division of the trifacial nerve. (Infraorbital labeled at center right.)
Gray's	p.891
From	facial nerve, superior labial nerve

The superior labial branches descend behind the Quadratus labii superioris, and are distributed to the skin of the upper lip, the mucous membrane of the mouth, and labial glands. They are joined, immediately beneath the orbit, by filaments from the facial nerve, forming with them the infraorbital plexus.

External links

SIG at UWash Infraorbital%20plexus

This article incorporates text from a public domain edition of Gray's Anatomy.

The cranial nerves: trigeminal nerve

ophthalmic
(V1)

frontal:	supratrochlear supraorbital lateral branch medial branch

nasociliary:	long ciliary infratrochlear posterior ethmoidal anterior ethmoidal external nasal internal nasal sensory root of ciliary ganglion ciliary ganglion

lacrimal

maxillary
(V2)

in meninges

middle meningeal

in pterygopalatine
fossa

zygomatic
- zygomaticotemporal
- zygomaticofacial
pterygopalatine
- pterygopalatine ganglion see below for details
posterior superior alveolar

in infraorbital canal

infraorbital nerve:	superior alveolar middle anterior internal nasal branches

on face

mandibular
(V3)

in meninges	meningeal

anterior	to muscles of mastication medial pterygoid/to tensor veli palatini lateral pterygoid masseteric deep temporal buccal

posterior	auriculotemporal otic ganglion lingual submandibular ganglion inferior alveolar mylohyoid mental

M: PNS

anat (h/r/t/c/b/l/s/a)/phys (r)/devp/prot/nttr/nttm/ntrp

noco/auto/cong/tumr, sysi/epon, injr

proc, drug (N1B)

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