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The deep branches pass beneath the zygomaticus and the quadratus labii superioris, supplying them and forming an infraorbital plexus with the infraorbital branch of the maxillary nerve. These branches also supply the small muscles of the nose.
The temporal branch of the facial nerve is typically found between the temporoparietal fascia (i.e., superficial temporal fascia) and temporal fascia (i.e., deep temporal fascia). This layer is also known as the innominate fascia. There are several methods using anatomic landmarks that may be used to find the temporal branch of the facial nerve.
The labyrinthine segment is the shortest and narrowest segment of the facial nerve and ends where the facial nerve forms a bend known as the geniculum of the facial nerve (genu meaning knee), which contains the geniculate ganglion for sensory nerve bodies. The first branch of the facial nerve, the greater petrosal nerve, arises here from the ...
The marginal mandibular branch of the facial nerve is found superficial to the facial artery and (anterior) facial vein. Thus the facial artery can be used as an important landmark in locating the marginal mandibular nerve during surgical procedures. [2]
The facial nerve exits the cranial cavity through the internal acoustic meatus and enters the facial canal. In the facial canal, the chorda tympani branches off the facial nerve and enters the lateral wall of the tympanic cavity inside the middle ear where it runs across the tympanic membrane (from posterior to anterior) and medial to the neck ...
Branches of the facial nerve (which gives the motor supply to the muscles of facial expression) run through the substance of the parotid gland and so this is manifest as a transient facial palsy. The pterygomandibular space is one of the possible spaces into which a tooth may be displaced into during dental extraction , e.g. of a maxillary ...
Buccal space abscesses typically cause a facial swelling over the cheek that may extend from the zygomatic arch above to the inferior border of the mandible below, and from the anterior border the masseter muscle posteriorly to the angle of the mouth anteriorly. [1] Unless another space is also involved, the tissues around the eye are not swollen.
Cervical branch of the facial nerve; Cervical plexus; Chorda tympani; Ciliary ganglion; Coccygeal nerve; Cochlear nerve; Common fibular nerve; Common palmar digital nerves of median nerve; Deep branch of the radial nerve; Deep fibular nerve; Deep petrosal nerve; Deep temporal nerves; Diagonal band of Broca; Digastric branch of facial nerve ...