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The buccal nerve (long buccal nerve) is a sensory nerve of the face arising from the mandibular nerve (CN V3) (which is itself a branch of the trigeminal nerve). It conveys sensory information from the skin of the cheek, and parts of the oral mucosa, periodontium, and gingiva.
The buccal branches of the facial nerve (infraorbital branches), are of larger size than the rest of the branches, pass horizontally forward to be distributed below the orbit and around the mouth. Branches
The mandibular nerve immediately passes between tensor veli palatini, which is medial, and lateral pterygoid, which is lateral, and gives off a meningeal branch (nervus spinosus) and the nerve to medial pterygoid from its medial side. The nerve then divides into a small anterior division and a large posterior division.
The lingual branch of the mandibular division (V3) of the trigeminal nerve supplies non-taste sensation (pressure, heat, texture) to the anterior part of the tongue via general somatic afferent fibers. Nerve fibers for taste are supplied by the chorda tympani branch of the facial nerve via special visceral afferent fibers. [10]
Unlike most of the other facial muscles, which are innervated by the facial nerve (or CN VII), the muscles of mastication are innervated by the trigeminal nerve (or CN V). More specifically, they are innervated by the mandibular branch, or V 3. The mandibular nerve is both sensory and motor.
There are usually two deep temporal nerves - the anterior deep temporal nerve and posterior deep temporal nerve. Occasionally, a third one is present - the middle deep temporal nerve. [2] Origin. The anterior one may arise from the buccal nerve, and the posterior one may arise from the masseteric nerve. [2]
The mandibular nerve, the third branch of the trigeminal nerve (CN V 3), also known as the "inferior maxillary nerve", enters infratemporal fossa from the middle cranial fossa through the foramen ovale of the sphenoid bone. [3] The mandibular nerve gives off four nerves to the four muscles of mastication in the infratemporal
Buccal artery: Nerve: Buccal branch of the facial nerve (VII cranial nerve) Actions: The buccinator compresses the cheeks against the teeth and is used in acts such as blowing. It is an assistant muscle of mastication (chewing) and in neonates it is used to suckle. Identifiers; Latin: musculus buccinator [1] TA98: A04.1.03.036: TA2: 2086: FMA ...