Mandibular nerve

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Template:Infobox Nerve Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]



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

Structure[edit]

Roots[edit]

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.

Path[edit]

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

Branches[edit]

Branches from the main trunk (except nervus spinosus) and the posterior division.

The mandibular nerve gives off the following branches:

Branches from the posterior and anterior divisions (except lateral pterygoid nerve)

The mandibular nerve also gives off branches to the otic ganglion

Supplies[edit]

The mandibular nerve innervates:

See also[edit]

Additional images[edit]

External links[edit]

Template:Cranial nerves Template:Trigeminal nerve


de:Nervus mandibularis nl:Nervus mandibularis


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