表情筋
WordNet
- make ones way by force; "He muscled his way into the office"
- animal tissue consisting predominantly of contractile cells (同)muscular_tissue
- one of the contractile organs of the body (同)musculus
- authority or power or force (especially when used in a coercive way); "the senators used their muscle to get the party leader to resign"
- of or pertaining to the outside surface of an object
- care for the face that usually involves cleansing and massage and the application of cosmetic creams
- cranial nerve that supplies facial muscles (同)facial_nerve, nervus_facialis, seventh_cranial_nerve
- of or concerning the face; "a facial massage"; "facial hair"; "facial expression"
PrepTutorEJDIC
- 〈U〉(動物体の組織としての)『筋肉』,筋(きん);〈C〉(体の各部を動かす)筋肉 / 〈U〉力,(特に)筋力,腕力 / 《俗に》(…に)強引に割り込む《+『in on』(『into, through』)+『名』》
- 顔の;顔用の / (マッサージや化粧品による)顔の手入れ
- 筋肉の,筋力のある / 力ずくの
Wikipedia preview
出典(authority):フリー百科事典『ウィキペディア(Wikipedia)』「2013/11/27 10:03:03」(JST)
[Wiki en表示]
Facial muscles |
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Head |
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Lateral head anatomy |
Latin |
musculi faciei |
Origin |
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Insertion |
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Artery |
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Nerve |
facial nerve |
Actions |
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The facial muscles are a group of striated skeletal muscles innervated by the facial nerve (cranial nerve VII) that, among other things, control facial expression. These muscles are also called mimetic muscles.
Contents
- 1 Structure and Actions
- 2 Innervation
- 3 Development
- 4 List of muscles
- 5 Pathology
- 6 See also
- 7 References
- 8 External links
Structure and Actions[edit]
The facial muscles are subcutaneous (just under the skin) muscles that control facial expression. They generally originate from the surface of the skull bone (rarely the fascia), and insert on the skin of the face. When they contract, the skin moves. These muscles also cause wrinkles at right angles to the muscles’ action line. Use of these muscles is noted during an extraoral examination, assuring function of the nerve to these muscles.[1]
Innervation[edit]
The facial muscles are innervated by facial nerve (cranial nerve VII), with each nerve serving one side of the face.[1] In contrast, the nearby masticatory muscles are innervated by the mandibular nerve, a branch of the trigeminal nerve (V) cranial nerve.
Development[edit]
The facial muscles are derived from the second branchial/pharyngeal arch.
List of muscles[edit]
The facial muscles include:[2]
- Occipitofrontalis
- Temporoparietalis muscle
- Procerus
- Nasalis muscle
- Depressor septi nasi
- Orbicularis oculi
- Corrugator supercilii
- Depressor supercilii
- Auricular muscles (anterior, superior and posterior)
- Orbicularis oris
- Depressor anguli oris
- Risorius
- Zygomaticus major
- Zygomaticus minor
- Levator labii superioris
- Levator labii superioris alaeque nasi
- Depressor labii inferioris
- Levator anguli oris
- Buccinator
- Mentalis
The platysma is innervated by the facial nerve. Although it is mostly in the neck and can be grouped with the neck muscles by location, it can be considered a muscle of facial expression due to its common innervation.
The stylohyoid muscle, stapedius and posterior belly of the digastric muscle are also innervated by the facial nerve, but are not considered muscles of facial expression.
Pathology[edit]
An inability to form facial expressions on one side of the face may be the first sign of damage to the nerve of these muscles. Damage to the facial nerve results in facial paralysis of the muscles of facial expression on the involved side. Paralysis is the loss of voluntary muscle action; the facial nerve has become damaged permanently or temporarily. This damage can occur with a stroke (cerebrovascular accident or CVA), Bell palsy, or parotid salivary gland cancer (malignant neoplasm) because the facial nerve travels through the gland. The parotid gland can also be damaged permanently by surgery or temporarily by trauma. These situations of paralysis not only inhibit facial expression but also seriously impair the patient’s ability to speak, either permanently or temporarily.[1]
See also[edit]
- Masticatory muscles
- Facial nerve
- Facial Action Coding System
- Modiolus
References[edit]
- ^ a b c Illustrated Anatomy of the Head and Neck, Fehrenbach and Herring, Elsevier, 2012, page 89
- ^ Kyung Won, PhD. Chung (2005). Gross Anatomy (Board Review). Hagerstown, MD: Lippincott Williams & Wilkins. p. 364. ISBN 0-7817-5309-0.
External links[edit]
- ARTNATOMY: Anatomical Basis of Facial Expression Learning Tool
- lesson1 at The Anatomy Lesson by Wesley Norman (Georgetown University)
List of muscles of head and neck: the head (TA A04.1, GA 4.378)
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Extraocular (CN III, IV, VI) |
oblique (inferior, superior) · rectus (superior, inferior, medial, lateral) · levator palpebrae superioris (superior tarsal)
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Mastication (CN V3) |
masseter · temporalis (sphenomandibularis) · pterygoid (lateral, medial)
fascia: Masseteric fascia · Temporal fascia · Deep portion: cementomaxillary tendon · Superficial portion: cementomandibular tendon
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Facial (CN VII) |
Ear
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auricular (anterior, superior, posterior) · temporoparietalis
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Scalp/eyelid
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occipitofrontalis (occipitalis, frontalis) · orbicularis oculi (depressor supercilii) · corrugator supercilii
fascia: Galea aponeurotica
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Nose
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procerus · nasalis (dilatator naris) · depressor septi nasi · levator labii superioris alaeque nasi
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Mouth
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levator anguli oris · levator labii superioris · zygomaticus (major, minor)
orbicularis oris · risorius · buccinator
depressor anguli oris · depressor labii inferioris · mentalis
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Palate/fauces (CN IX, X, XI)
(except TVP=V3) |
veli palatini (tensor, levator) · musculus uvulae · palatopharyngeus (to pharynx) · palatoglossus (to tongue)
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Tongue (CN XII) |
extrinsic (genioglossus, hyoglossus/chondroglossus, styloglossus, and palatoglossus [CN X]) · intrinsic (superior longitudinal, inferior longitudinal, transverse, vertical)
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anat (h/n, u, t/d, a/p, l)/phys/devp/hist
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noco (m, s, c)/cong (d)/tumr, sysi/epon, injr
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UpToDate Contents
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English Journal
- Aesthetic uses of the botulinum toxin.
- Dorizas A, Krueger N, Sadick NS.SourceSadick Research Group, 911 Park Avenue, New York, NY 10075, USA. Electronic address: adorizas@sadickdermatology.com.
- Dermatologic clinics.Dermatol Clin.2014 Jan;32(1):23-36. doi: 10.1016/j.det.2013.09.009.
- The cosmetic use of botulinum toxin (BoNT) is the most common cosmetic procedure performed in the world today. Common adverse events seen in the aesthetic use of the BoNT include swelling, localized bruising, headaches, injection site discomfort, excessive muscle weakness, and unintended paresis of
- PMID 24267419
- Noma and cervico-facial necrotizing fasciitis: clinicopathological differentiation and an illustrative case report of noma.
- Van Niekerk C, Khammissa RA, Altini M, Lemmer J, Feller L.SourceUniversity of Limpopo, Maxillofacial and Oral Surgery, Pretoria, Gauteng, South Africa ; vanniekerk.charles@yahoo.com.
- AIDS research and human retroviruses.AIDS Res Hum Retroviruses.2013 Dec 5. [Epub ahead of print]
- Noma predominantly affects malnourished young children. The pathogenesis of noma is complex and multifactorial, involving interaction between local polybacterial infection on the one hand, and malnutrition, immunosuppression, or systemic bacterial or viral infections on the other hand. Noma is consi
- PMID 24304357
- Late diagnosis of lateral meningocele syndrome in a 55-year-old woman with symptoms of joint instability and chronic musculoskeletal pain.
- Castori M, Morlino S, Ritelli M, Brancati F, De Bernardo C, Colombi M, Grammatico P.SourceDivision of Medical Genetics, Department of Molecular Medicine, Sapienza University, San Camillo-Forlanini Hospital, Rome, Italy.
- American journal of medical genetics. Part A.Am J Med Genet A.2013 Dec 5. doi: 10.1002/ajmg.a.36301. [Epub ahead of print]
- Lateral meningocele syndrome (LMS) is a rare hereditary connective tissue disorder characterized by pan-spinal meningoceles, specific facial dysmorphism, skeletal and soft tissue abnormalities, and hypotonia and/or muscle weakness. LMS has been observed in eleven patients with two instances of verti
- PMID 24311540
Japanese Journal
- 自律神経不全症候で発症したT細胞性悪性リンパ腫の1例
- 田口 宗太郎,中村 友彦,山田 孝子,髙御堂 弘,道勇 学,髙橋 昭
- 臨床神経学 55(1), 29-32, 2015
- 症例は61歳の男性である.感冒様症状に続き,便秘,座位での眼前暗黒感,嘔気が出現.座位にて顕著な血圧低下あり.末梢神経伝導検査(NCS),心電図CVR-R,MIBG心筋シンチ心縦隔比は正常.血中LD,IL-2Rの高値と脊椎MRIから腫瘍がうたがわれた.傍腫瘍性自律神経ニューロパチーを考えたが原発巣不明.発症2ヵ月後,四肢遠位部手袋靴下型感覚障害と筋力低下が発現し増悪,発症4ヵ月後のNCSで異常を呈 …
- NAID 130004921293
- Brief Clinical Note : A novel mutation in glycyl-tRNA synthetase caused Charcot-Marie-Tooth disease type 2D with facial and respiratory muscle involvement
- Kawakami Nobuko,Komatsu Kenichi,Yamashita Hirofumi [他]
- 臨床神経学 = Clinical neurology 54(11), 911-915, 2014-11
- NAID 40020270157
- 症例 牽引方向に工夫を加えた側頭筋移行による顔面神経麻痺動的再建術の2例
Related Links
- The facial muscles are like elastic sheets that are stretched in layers over the cranium, facial bones, the openings they form, and the cartilage, fat, and other tissues of the head. These are the muscles of facial expression, acting ...
- More on Articulation: Master Muscle List Loyola University has a great online learning area on anatomy. This link puts you in the Master Muscle List by Region, where you should select "head and neck". This will give ...
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表情筋
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