mandibular nerve

(redirected from Mandibular division)
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mandibular nerve

Abbreviation: CN V3
1. The inferior trunk of the trigeminal cranial nerve. The mandibular nerve is both sensory and motor.


The major sensory branches are the auriculotemporal, lingual, and inferior alveolar nerves, which innervate the lower teeth and gingivae and the skin of the lower lip, chin, and jaw up into the "sideburn area" in front of the ear.


The major motor branches are the lateral pterygoid, masseteric, deep temporal, and buccal nerves, which innervate the muscles of mastication (lateral and medial pterygoids, masseter, and temporalis).


The mandibular nerve leaves the skull via the foramen ovale.

2. A motor branch of the facial nerve (CN VII) that innervates the facial muscles of the lower lip and chin.
See also: nerve
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
The auriculotemporal nerve is a branch of the mandibular division of the trigeminal nerve.
Mandibular division was more affected than the maxillary as in our study20.
The mandibular division innervates the lower lip, cheek, teeth, and anterior two-thirds of the tongue, plus the skin of the lower jaw and the side of the head.
(4) Trigeminal ganglion involvement may affect the ophthalmic and maxillary division of the trigeminal nerve and lead to motor and sensory impairment of the mandibular division, suggesting peripheral extension from the ganglion.
Most investigations in the literature reveal that mandibular division (V3) is most commonly involved and the ophthalmic division (V1) is less commonly presented.