Gastrointestinal Tract - Mesentery Development - Revision history

Z8600021 at 23:49, 2 Mayıs 2020

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	===Reviews===		===Reviews===

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	::[[~~Embryology_History~~\|'''Historic Embryology''']]: [[Paper - The development of the great omentum and transverse mesocolon\|1884 great omentum and transverse mesocolon]] \| [[Book_-_Manual_of_Human_Embryology_17-5\|1912 Small Intestine]] \| [[Book_-_Manual_of_Human_Embryology_17-6\|1912 large Intestine]] \| [[Paper - On the factors concerned in causing rotation of the intestine in man\|1915 Intestinal Rotation]]		::[[Historic_Embryology_Papers\|'''Historic Embryology''']]: [[Paper - The development of the great omentum and transverse mesocolon\|1884 great omentum and transverse mesocolon]] \| [[Book_-_Manual_of_Human_Embryology_17-5\|1912 Small Intestine]] \| [[Book_-_Manual_of_Human_Embryology_17-6\|1912 large Intestine]] \| [[Paper - On the factors concerned in causing rotation of the intestine in man\|1915 Intestinal Rotation]]

	==Some Recent Findings==		==Some Recent Findings==

Z8600021 at 14:38, 25 September 2019

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	::[[Embryology_History\|'''Historic Embryology''']]: [[Book_-_Manual_of_Human_Embryology_17-5\|1912 Small Intestine]] \| [[Book_-_Manual_of_Human_Embryology_17-6\|1912 large Intestine]] \| [[Paper - On the factors concerned in causing rotation of the intestine in man\|1915 Intestinal Rotation]]		::[[Embryology_History\|'''Historic Embryology''']]: [[Paper - The development of the great omentum and transverse mesocolon\|1884 great omentum and transverse mesocolon]] \| [[Book_-_Manual_of_Human_Embryology_17-5\|1912 Small Intestine]] \| [[Book_-_Manual_of_Human_Embryology_17-6\|1912 large Intestine]] \| [[Paper - On the factors concerned in causing rotation of the intestine in man\|1915 Intestinal Rotation]]

	==Some Recent Findings==		==Some Recent Findings==

Z8600021 at 03:57, 16 April 2019

2019-04-16T03:57:23Z

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	==Dorsal Mesogastrium==		==Dorsal Mesogastrium==
			Greater Omentum

	{\|		{\|

Z8600021 at 03:55, 16 April 2019

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	* <font color=palegoldenrod>'''gastrointestinal tract'''</font>		* <font color=palegoldenrod>'''gastrointestinal tract'''</font>
	* <font color=lightpink>'''mesentery'''</font>		* <font color=lightpink>'''mesentery'''</font>
			\|}

	==Small Intestine==		==Small Intestine==

Z8600021 at 03:54, 16 April 2019

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 * mesosigmoid
 * mesorectum
 ==Small Intestine==

Z8600021 at 04:41, 23 Ocak 2019

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	==Introduction==		==Introduction==
	[[File:Greater omentum 001 icon.jpg\|thumb\|Early embryonic mesentery (pink)]]		[[File:Greater omentum 001 icon.jpg\|thumb\|Early embryonic mesentery (pink)]]
	The adult gastrointestinal tract (GIT) is attached along its length by a dorsal {{mesentery}} between the stomach (oesophagogastric) and anus (anorectal junctions) arising ~~from~~ from splanchnic mesoderm. This differentiates into a mesothelium, an epithelium derived from mesoderm. The majority of the ventral mesentery is developmentally lost at the level of the midgut and only the dorsal mesentery remains in the adult, through which blood vessels, nerves and lymph connects to the gastrointestinal wall.		The adult gastrointestinal tract (GIT) is attached along its length by a dorsal {{mesentery}} between the stomach (oesophagogastric) and anus (anorectal junctions) arising from splanchnic mesoderm. This differentiates into a mesothelium, an epithelium derived from mesoderm. The majority of the ventral mesentery is developmentally lost at the level of the midgut and only the dorsal mesentery remains in the adult, through which blood vessels, nerves and lymph connects to the gastrointestinal wall.

	Recently mouse mesentery has been used as a transplantation site for human intestinal organoid study.{{#pmid:30072255\|PMID30072255}}		Recently mouse mesentery has been used as a transplantation site for human intestinal organoid study.{{#pmid:30072255\|PMID30072255}}

Z8600021 at 04:32, 23 Ocak 2019

2019-01-23T04:32:15Z

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	\| [[File:Mark_Hill.jpg\|90px\|left]] {{Most_Recent_Refs}}		\| [[File:Mark_Hill.jpg\|90px\|left]] {{Most_Recent_Refs}}

	Search term: ''Mesentery Embryology''		Search term: [http://www.ncbi.nlm.nih.gov/pubmed/?term=Mesentery+Embryology ''Mesentery Embryology''] \| [http://www.ncbi.nlm.nih.gov/pubmed/?term=Mesentery+Development ''Mesentery Development''] \|

	~~<pubmed limit=5>Mesentery Embryology</pubmed>~~
	\|}		\|}
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Z8600021 at 12:54, 29 October 2018

2018-10-29T12:54:35Z

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	* '''The development of the dorsal mesentery in human embryos and fetuses'''{{#pmid:30142441\|PMID30142441}} "The vertebrate intestine has a continuous dorsal mesentery between pharynx and anus that facilitates intestinal mobility. Based on width and fate the dorsal mesentery can be subdivided into that of the caudal foregut, midgut, and hindgut. The dorsal mesentery of stomach and duodenum is wide and topographically complex due to strong and asymmetric growth of the stomach. The associated formation of the lesser sac partitions the dorsal mesentery into the right-sided "caval fold" that serves as conduit for the inferior caval vein and the left-sided mesogastrium. The thin dorsal mesentery of the midgut originates between the base of the superior and inferior mesenteric arteries, and follows the transient increase in intestinal growth that results in small-intestinal looping, intestinal herniation and, subsequently, return. The following fixation of a large portion of the abdominal dorsal mesentery to the dorsal peritoneal wall by adhesion and fusion is only seen in primates and is often incomplete. Adhesion and fusion of mesothelial surfaces in the lesser pelvis results in the formation of the "mesorectum".		* '''The development of the dorsal mesentery in human embryos and fetuses'''{{#pmid:30142441\|PMID30142441}} "The vertebrate intestine has a continuous dorsal mesentery between pharynx and anus that facilitates intestinal mobility. Based on width and fate the dorsal mesentery can be subdivided into that of the caudal foregut, midgut, and hindgut. The dorsal mesentery of stomach and duodenum is wide and topographically complex due to strong and asymmetric growth of the stomach. The associated formation of the lesser sac partitions the dorsal mesentery into the right-sided "caval fold" that serves as conduit for the inferior caval vein and the left-sided mesogastrium. The thin dorsal mesentery of the midgut originates between the base of the superior and inferior mesenteric arteries, and follows the transient increase in intestinal growth that results in small-intestinal looping, intestinal herniation and, subsequently, return. The following fixation of a large portion of the abdominal dorsal mesentery to the dorsal peritoneal wall by adhesion and fusion is only seen in primates and is often incomplete. Adhesion and fusion of mesothelial surfaces in the lesser pelvis results in the formation of the "mesorectum".

	* '''Digestive Tract in Human Embryos Between Carnegie Stages 11 and 13'''{{#pmid:26995337\|PMID26995337}} "We selected 37 human embryos at Carnegie Stage (CS) {{CS11}}-{{CS13}} (28-33 days after fertilization) and three-dimensionally analyzed the morphology and positioning of the digestive tract and derived primordia in all samples, using images reconstructed from histological serial sections. The digestive tract was initially formed by a narrowing of the yolk sac, and then several derived primordia such as the pharynx, lung, stomach, liver, and dorsal pancreas primordia differentiated during CS12 (21-29 somites) and CS13 (≥ 30 somites). The differentiation of four pairs of pharyngeal pouches was complete in all CS13 embryos. The respiratory primordium was recognized in ≥ 26-somite embryos and it flattened and then branched at CS13. The trachea formed and then elongated in ≥ 35-somite embryos. The stomach adopted a spindle shape in all ≥ 34-somite embryos, and the liver bud was recognized in ≥ 27-somite embryos. The dorsal pancreas appeared as definitive buddings in all but three CS13 embryos, and around these buddings, the small intestine bent in ≥ 33-somite embryos. In ≥ 35-somite embryos, the small intestine rotated around the cranial-caudal axis and had begun to form a primitive intestinal loop, which led to umbilical herniation."		* '''Digestive Tract in Human Embryos Between Carnegie Stages 11 and 13'''{{#pmid:26995337\|PMID26995337}} "We selected 37 human embryos at Carnegie Stage (CS) {{CS11}}-{{CS13}} (28-33 days after fertilization) and three-dimensionally analyzed the morphology and positioning of the digestive tract and derived primordia in all samples, using images reconstructed from histological serial sections. The digestive tract was initially formed by a narrowing of the yolk sac, and then several derived primordia such as the pharynx, lung, stomach, liver, and dorsal pancreas primordia differentiated during {{CS12}} (21-29 somites) and CS13 (≥ 30 somites). The differentiation of four pairs of pharyngeal pouches was complete in all {{CS13}} embryos. The respiratory primordium was recognized in ≥ 26-somite embryos and it flattened and then branched at CS13. The trachea formed and then elongated in ≥ 35-somite embryos. The stomach adopted a spindle shape in all ≥ 34-somite embryos, and the liver bud was recognized in ≥ 27-somite embryos. The dorsal pancreas appeared as definitive buddings in all but three CS13 embryos, and around these buddings, the small intestine bent in ≥ 33-somite embryos. In ≥ 35-somite embryos, the small intestine rotated around the cranial-caudal axis and had begun to form a primitive intestinal loop, which led to umbilical herniation."
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