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Mandibular nerve

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Nerve: Mandibular nerve
Gray781
Mandibular division of the trifacial nerve.
Gray782
Mandibular division of trifacial nerve, seen from the middle line. The small figure is an enlarged view of the otic ganglion.
Latin n. mandibularis
Gray's subject #200 893
Innervates
From trigeminal nerve
To
MeSH A08.800.800.120.760.500

The mandibular nerve (V3) is the largest of the three branches of the trigeminal nerve.

StructureEdit

RootsEdit

It is made up of two roots:

  • a large sensory root proceeding from the inferior angle of the trigeminal ganglion.
  • a small motor root (the motor part of the trigeminal), which passes beneath the ganglion, and unites with the sensory root, just after its exit through the foramen ovale.

PathEdit

The two roots (sensory and motor) exit the middle cranial fossa through the foramen ovale. The two roots then combine. The nerve descends, soon splitting into an anterior division and a posterior division.

Immediately beneath the base of the skull, the nerve gives off from its medial side a recurrent branch (nervus spinosus) and the nerve to the medial pterygoid muscle, and then divides into two trunks, an anterior and a posterior.

BranchesEdit

The mandibular nerve gives off the following branches:

The mandibular nerve also gives off branches to the otic ganglion

SuppliesEdit

The mandibular nerve innervates:

See alsoEdit

Additional imagesEdit

External linksEdit



de:Nervus mandibularis
nl:Nervus mandibularis
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