Marginal mandibular branch of facial nerve

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Topic: Marginal mandibular branch of facial nerve

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	LitSubPg-SalGland/Parotid Over Cit #1
		The marginal mandibular branch of the facial nerve and the anterior facial vein pass superficially to the gland.
		The facial nerve exits the skull via the stylomastoid foramen located immediately posterior to the base of the styloid process and anterior to the attachment of the digastric muscle to the mastoid tip at the digastric ridge.
		Examination of the facial nerve should be performed in the recovery room as soon as possible.
	www.aciniccell.org /litsub_salgland_over_cit1.html

	Written Quiz - Face
		During a facelift operation on a 48-year-old woman, the plastic surgeon inadvertently cut the marginal mandibular branch of the facial nerve.
		Branches of which of the following nerves convey pain sensations from areas of the skin described?
		Which nerve provides cutaneous innervation to the skin of the angle of the mandible.
	www.med.umich.edu /lrc/coursepages/M1/anatomy/html/quizzes/written/session40.html (626 words)

	eMedicine - Lip Reconstruction : Article by Gordon Tobin, MD
		The orbicularis oris is innervated by buccal branches of VII; the depressor anguli oris, depressor labii inferioris, and mentalis are innervated by the marginal mandibular branch of VII; and the lip elevators are innervated by buccal and zygomatic branches of facial nerve VII.
		The motor nerves to the orbicularis oris and muscles of facial expression are the buccal and marginal mandibular rami of the facial nerve (VII).
		The principle muscles and nerves affecting the lips and their relationship to surface features are shown in Image 1.
	www.emedicine.com /plastic/topic63.htm (7135 words)

	eMedicine - Lips and Perioral Region Anatomy : Article by Babak Jahan-Parwar, MD
		The marginal mandibular branch of the facial nerve supplies the depressor anguli oris and enters the muscle on its deep surface.
		The lower lip and chin receive sensory innervation from branches of the mandibular nerve.
		Nelson et al believed that any branch supplying the lip depressors should be classified as a mandibular branch, as opposed to Skandelakis' classification.
	www.emedicine.com /ent/topic7.htm (7135 words)

	fma-all.krss
		Branch of marginal mandibular branch of left facial nerve to orbicularis oris))) (define-primitive-concept Muscle of palate
		Nerve to left depressor septi nasi) (some member of
		Nerve to depressor septi nasi) (some member of
	staff.science.uva.nl /~schlobac/Teaching/AR2004/fma-all.krss (7135 words)

	Submandibular Gland Excision Frequently- Asked Questions * Otolaryngology Houston
		Weakness of the lower lip - a lower branch of the facial nerve (the marginal mandibular branch) is the nerve most likely to be bruised in the removal of a submandibular gland. If bruising occurs it affects the movement of your lower lip, leading to a slightly crooked smile.
		The most common reason for removing a submandibular gland is chronic infection that occurs if the ducts that drain saliva become blocked with a stone. Other indications for surgery include benign tumors, such as pleomorphic adenomas. Whereas 80% of parotid gland tumors are benign, in the submandibular gland, 66% of tumors are malignant.
		The submandibular gland is resected under a general anesthetia. A cut around two inches long is made in the upper part of the neck just below the lower jaw.
	www.ghorayeb.com /SubmandibularResectionFAQ.html (597 words)

	Ear, Nose & Throat Journal: Embryology - Phylogeny and embryology of the facial nerve and related structures, part 2
		* the marginal mandibular branch to the risorius muscle and the muscles of the lower lip and chin
		* the posterior auricular branch--which innervates the auricularis posterior, the cranially oriented muscles of the auricle, and the occipital muscles--communicates with the greater auricular nerve, the auricular branch of the vagus nerve, and the lesser occipital nerve (3)
		* the branch to the posterior belly of the digastric muscle
	www.findarticles.com /p/articles/mi_m0BUM/is_10_82/ai_110358638 (1377 words)

	ga4-hn4.doc
		Marginal Mandibular Branch — supplies risorius and muscles of the lower lip and chin.
		All muscles of facial expression develp from the 2nd pharyngeal arch and are supplied by its nerve, the CN VII.
		The facial muscles or muscles of facial expression are subcutaneous.
	www.med.unc.edu /wms/firstaid/ga4-hn4.doc (2660 words)

	Dorlands Medical Dictionary
		intraparoti´deus [TA] parotid plexus: a plexus formed by anastomosis of the terminal branches of the temporal, zygomatic, buccal, marginal mandibular, and cervical rami of the facial nerve, arising in the parotid gland.
		brachia´lis [TA] brachial plexus: a plexus originating from the ventral branches of the last four cervical spinal nerves and most of the ventral branch of the first thoracic spinal nerves.
		caro´ticus exter´nus [TA] external carotid plexus: a nerve plexus located around the external carotid artery, formed by the external carotid nerves from the superior cervical ganglion, and supplying sympathetic fibers which accompany the branches of the external carotid artery.
	www.mercksource.com /pp/us/cns/cns_hl_dorlands.jspzQzpgzEzzSzppdocszSzuszSzcommonzSzdorlandszSzdorlandzSzdmd_p_24zPzhtm (3794 words)

	Parotid Gland & Face - Dissector Answers
		The (marginal) mandibular branch innervates the muscles of the lower lip and chin.
		Buccal branches pass external to the buccinator to innervate this muscle and muscles of the upper lip.
		Zygomaticus major, levator labii superioris, depressor labii inferioris, levator anguli oris, depressor anguli oris, and orbicularis oris, and buccinator are all innervated by the facial nerve (CN VII) and supplied by the facial artery.
	www.med.umich.edu /lrc/coursepages/M1/anatomy/html/nervous_system/face_ans.html (651 words)

	eMedicine - Lips and Perioral Region Anatomy : Article by Babak Jahan-Parwar, MD
		The marginal mandibular branch of the facial nerve supplies the depressor anguli oris and enters the muscle on its deep surface.
		The deep orbicularis oris is responsible for the sphincteric action of the lips.In cross-section, the orbicularis oris is composed of a long vertical segment that curls outward at the superior and inferior free margins to form a marginal protrusion.
		The levator labii superioris alaeque nasi arises from the frontal process of the maxilla.
	www.emedicine.com /ent/topic7.htm (651 words)

	Pictures of Facial Dermoid Cyst * Otolaryngology Houston
		The dermoid cyst was excised while monitoring the marginal mandibular branch of the facial nerve.
		This dermoid cyst was a painless, superficial, soft mass of the face, not attached to the body of the mandible. It had been slowly growing for about ten years.
		AP and lateral plain films showing a metallic foreign body in the upper esophagus. Most foreign bodies are found at the level of the cricopharyngeus muscle.
	www.ghorayeb.com /DermoidCyst.html (95 words)

	eMedicine - Lips and Perioral Region Anatomy : Article by Babak Jahan-Parwar, MD
		The marginal mandibular branch of the facial nerve supplies the depressor anguli oris and enters the muscle on its deep surface.
		The superficial portion of the orbicularis oris receives fibers from several other perioral muscles that insert into the orbicularis to provide fine movements of the lips.
		This muscle arises from the anterior midline mandible and inserts into the dermis of the chin skin.
	www.emedicine.com /ent/topic7.htm (95 words)

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Topic: Marginal mandibular branch of facial nerve

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