- 「幽門部粘膜外筋層切開術」「ヘラーの粘膜外筋層切開術」などと使われている
- Collagen is deposited in the mucosa and submucosa, while the muscularis externa undergoes atrophy.(強皮症の大腸病変について)
WordNet
- of or relating to or consisting of muscle; "muscular contraction"
- having or suggesting great physical power or force; "the muscular and passionate Fifth Symphony"
- a nonresident doctor or medical student; connected with a hospital but not living there (同)medical extern
PrepTutorEJDIC
- 『助肉の』,筋肉でできた / 筋肉による / 筋肉の発達した
Wikipedia preview
出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2016/07/17 04:21:14」(JST)
[Wiki en表示]
| Muscular layer |
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Histological section of the ureter, showing the thick muscular layers surrounding the lumen.
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| Details |
| Identifiers |
| Latin |
tunica muscularis |
Dorlands
/Elsevier |
12832129 |
| Anatomical terminology
[edit on Wikidata]
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| This article is one of a series on the |
| Gastrointestinal wall |
General structure
- Epithelium
- Mucosa
- Submucosa
- Circular muscle
- Longitudinal muscle
- Serosa
- Adventitia
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Specific
- Meissner's plexus
- Auerbach's plexus
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Organs
- Esophagus
- Stomach
- Intestines
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The muscular layer (muscular coat, muscular fibers, muscularis propria, muscularis externa) is a region of muscle in many organs in the vertebrate body, adjacent to the submucosa. It is responsible for gut movement such as peristalsis. The Latin, tunica muscularis, may also be used.
Structure
It usually has two layers of smooth muscle:
- inner and "circular"
- outer and "longitudinal"
However, there are some exceptions to this pattern.
- In the stomach and large intestine, there are three layers to the muscularis externa.
- In the upper esophagus, part of the externa is skeletal muscle, rather than smooth muscle.
- In the vas deferens of the spermatic cord, there are three layers: inner longitudinal, middle circular, and outer longitudinal.
- In the ureter the smooth muscle orientation is opposite that of the GI tract. There is an inner longitudinal and an outer circular layer.
The inner layer of the muscularis externa forms a sphincter at two locations of the alimentary canal:
- in the pylorus of the stomach, it forms the pyloric sphincter
- in the anal canal, it forms the internal anal sphincter
References
This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)
External links
- Muscularis externa of the colon - BioWeb at University of Wisconsin System
- Smooth muscle layers of the gut - BioWeb at University of Wisconsin System
- UIUC Histology Subject 23
- Histology image: 11601ooa – Histology Learning System at Boston University — "Muscle Tissue: smooth muscle, muscularis externa"
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Anatomy of the gastrointestinal tract, excluding the mouth
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| Upper |
| Pharynx |
- Muscles
- Spaces
- peripharyngeal
- retropharyngeal
- parapharyngeal
- retrovisceral
- danger
- prevertebral
- Pterygomandibular raphe
- Pharyngeal raphe
- Buccopharyngeal fascia
- Pharyngobasilar fascia
- Piriform sinus
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| Esophagus |
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| Stomach |
- Curvatures
- greater
- lesser
- Angular incisure
- Cardia
- Body
- Fundus
- Pylorus
- Gastric mucosa
- Gastric folds
- Microanatomy
- Gastric pits
- Gastric glands
- Cardiac glands
- Fundic glands
- Pyloric glands
- Foveolar cell
- Parietal cell
- Gastric chief cell
- Enterochromaffin-like cell
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| Lower |
| Small intestine |
| Microanatomy |
- Intestinal villus
- Intestinal gland
- Enterocyte
- Enteroendocrine cell
- Goblet cell
- Paneth cell
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| Duodenum |
- Suspensory muscle
- Major duodenal papilla
- Minor duodenal papilla
- Duodenojejunal flexure
- Brunner's glands
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| Jejunum |
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| Ileum |
- Ileocecal valve
- Peyer's patches
- Microfold cell
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| Large |
| Cecum |
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| Colon |
- Ascending colon
- Hepatic flexure
- Transverse colon
- Splenic flexure
- Descending colon
- Sigmoid colon
- Continuous
- taenia coli
- haustra
- epiploic appendix
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| Rectum |
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| Anal canal |
- Anus
- Anal columns
- Anal valves
- Anal sinuses
- Pectinate line
- Internal anal sphincter
- Intersphincteric groove
- External anal sphincter
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| Wall |
- Serosa / Adventitia
- Subserosa
- Muscular layer
- Submucosa
- Circular folds
- Mucosa
- Muscularis mucosa
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Anatomy of the urinary system
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| Kidneys |
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Layers
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- Fascia
- Capsule
- Cortex
- Medulla
- sinus
- pyramids
- medullary interstitium
- Lobe
- Cortical lobule
- Medullary ray
- Nephron
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Circulation
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- Arteries
- Renal artery
- segmental
- interlobar
- arcuate
- interlobular
- afferent
- Veins
- Renal vein
- Peritubular capillaries
- Vasa recta
- arcuate
- interlobar
- efferent
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Nephron
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Renal corpuscle
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- Glomerulus
- Bowman's capsule
- Glomerular basement membrane
- Podocyte
- Filtration slits
- Mesangium
- Intraglomerular mesangial cell
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Renal tubule
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- Proximal convoluted tubule
- Loop of Henle
- Descending
- Thin ascending
- Thick ascending
- Distal convoluted tubule
- Connecting tubule
- Tubular fluid
- Renal papilla
- Minor calyx
- Major calyx
- Renal pelvis
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Juxtaglomerular apparatus
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- Macula densa
- Juxtaglomerular cells
- Mesangium
- Extraglomerular mesangial cell
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| Ureters |
- Orifice of ureter
- Ureteropelvic junction
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| Bladder |
- Apex
- Uvula
- Neck
- Median umbilical ligament
- Muscular layer
- Mucosa
- Submucosa
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| Urethra |
- Urethral sphincters
- External sphincter
- Internal sphincter
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UpToDate Contents
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- 1. 全身性硬化症（強皮症）の消化器症状gastrointestinal manifestations of systemic sclerosis scleroderma [show details]
…GAVE may result from a loose connection between the distal gastric mucosa and the adjacent muscularis externa . This loosening can cause prolapse of the antral mucosa in the pylorus and the development …
- 2. 鈍的外傷または穿通性外傷による食道穿孔の概要overview of esophageal perforation due to blunt or penetrating trauma [show details]
…diagnosis and treatment of esophageal injury. The esophagus is composed of the mucosa, submucosa, muscularis externa, and adventitia The arterial supply includes the inferior thyroid artery (cervical esophagus) …
- 3. 切除可能食道癌および食道胃接合部癌に対する外科的マネージメントsurgical management of resectable esophageal and esophagogastric junction cancers [show details]
…and the abdominal esophagus ( and and ). The esophagus is composed of the mucosa, submucosa, muscularis externa, and adventitia There are three critical anatomic points of narrowing: the cricopharyngeus…
- 4. 正常な加齢normal aging [show details]
…cellular and structural abnormalities in the mucosal glands, hypertrophy of the muscularis mucosa, and atrophy of the muscularis externa. Functional changes include altered coordination of contraction and increased…
- 5. 小児における耳漏（耳だれ）の評価evaluation of otorrhea ear discharge in children [show details]
…outer ear signals external canal inflammation (eg, otitis externa, foreign body). Pruritus – Itching is a prominent feature of otitis externa (including otomycosis), allergic dermatitis, and ear foreign …
English Journal
- Purinergic signalling in the enteric nervous system (An overview of current perspectives).
- King BF1.
- Autonomic neuroscience : basic & clinical.Auton Neurosci.2015 Sep;191:141-7. doi: 10.1016/j.autneu.2015.05.005. Epub 2015 May 22.
- Purinergic Signalling in the Enteric Nervous System involves the regulated release of ATP (or a structurally-related nucleotide) which activates an extensive suite of membrane-inserted receptors (P2X and P2Y subtypes) on a variety of cell types in the gastrointestinal tract. P2X receptors are gated
- PMID 26049261
- A role for 12/15-lipoxygenase-derived proresolving mediators in postoperative ileus: protectin DX-regulated neutrophil extravasation.
- Stein K1, Stoffels M1, Lysson M1, Schneiker B1, Dewald O1, Krönke G1, Kalff JC1, Wehner S2.
- Journal of leukocyte biology.J Leukoc Biol.2015 Aug 20. pii: jlb.3HI0515-189R. [Epub ahead of print]
- Resolution of inflammation is an active counter-regulatory mechanism involving polyunsaturated fatty acid-derived proresolving lipid mediators. Postoperative intestinal motility disturbances, clinically known as postoperative ileus, occur frequently after abdominal surgery and are mediated by a comp
- PMID 26292977
- Alteration of enteric monoamines with monoamine receptors and colonic dysmotility in 6-hydroxydopamine-induced Parkinson's disease rats.
- Zhang X1, Li Y2, Liu C1, Fan R1, Wang P1, Zheng L1, Hong F1, Feng X1, Zhang Y1, Li L3, Zhu J4.
- Translational research : the journal of laboratory and clinical medicine.Transl Res.2015 Aug;166(2):152-62. doi: 10.1016/j.trsl.2015.02.003. Epub 2015 Feb 19.
- Constipation is common in Parkinson's disease (PD), in which monoamines (dopamine [DA], norepinephrine [NE], and 5-hydroxytryptamine [5-HT]) play an important role. Rats microinjected with 6-hydroxydopamine (6-OHDA) into the bilateral substantia nigra (SN) exhibit constipation, but the role of monoa
- PMID 25766133
Japanese Journal
- 石灰化をともなう側方リンパ節単発転移を認めた直腸カルチノイド腫瘍の1例
- 山口 晃司,森田 高行,岡村 圭祐,川村 武史,堀田 彰一
- 日本大腸肛門病学会雑誌 62(3), 180-184, 2009-03-01
- 症例は44歳男性．排便時の違和感を主訴に近医を受診した．大腸内視鏡検査で直腸Rbに表面に陥凹を有する粘膜下腫瘍を認め，生検で直腸カルチノイド腫瘍と診断され当科紹介となった．全身精査で，カルチノイドは直径16mmでRb-Pの粘膜下層に位置し，内括約筋への浸潤は認めなかった．遠隔転移は認めなかったが，側方リンパ節263D-rtに石灰化をともなうリンパ節腫大を認めた．手術は内肛門括約筋合併直腸切除術，経 …
- NAID 10024925301
- 中川 朋,水島 恒和,位藤 俊一,水野 均,宇田津 有子,杉村 啓二郎,友國 晃,今北 正美,岩瀬 和裕,伊豆蔵 正明
- 日本消化器外科学会雑誌 42(1), 31-35, 2009-01-01
- 症例は69歳の男性で,2004年1月十二指腸癌に対し,膵頭十二指腸切除術を施行した.2006年1月頃より腹満を自覚した.下部消化管内視鏡検査にて,肝彎曲部,横行結腸,S状結腸に全周性の狭窄を認め,バルーン拡張を行った.粘膜面に異常所見を認めず,粘膜下層の生検で悪性所見を認めず.再度腹満が出現し,4月には腸閉塞となった.腹部CTにて上行結腸,S状結腸,回盲部の壁肥厚を,^<18>fluo …
- NAID 110007024888
- 中川 朋,水島 恒和,位藤 俊一,水野 均,宇田津 有子,杉村 啓二郎,友國 晃,今北 正美,岩瀬 和裕,伊豆蔵 正明
- 日本消化器外科学会雑誌 42(1), 31-35, 2009
- 症例は69歳の男性で，2004年1月十二指腸癌に対し，膵頭十二指腸切除術を施行した．2006年1月頃より腹満を自覚した．下部消化管内視鏡検査にて，肝彎曲部，横行結腸，S状結腸に全周性の狭窄を認め，バルーン拡張を行った．粘膜面に異常所見を認めず，粘膜下層の生検で悪性所見を認めず．再度腹満が出現し，4月には腸閉塞となった．腹部CTにて上行結腸，S状結腸，回盲部の壁肥厚を，18fluoro-deoxy …
- NAID 130004560409
Related Links
- The muscular coat (muscular layer, muscular fibers, muscularis propria, muscularis externa) is a region of muscle in many organs in the vertebrate body, adjacent to the mucous membrane. It is responsible for gut movement such as peristalsis
- muscular layer [TA] the muscular, usually middle, layer of a tubular structure; for most of the gastrointestinal tract, it consists of an outer longitudinal layer of muscle and an inner circular layer. Synonym(s): tunica muscularis [TA], muscular coat
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- muscle、muscularis、musculus、myo
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- muscle、muscular、musculus、myo