Talk:Gastrointestinal Tract - Mesentery Development - Revision history

Z8600021 at 23:48, 2 Mayıs 2020

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	==2020==		==2020==

			==2019==

			{{#pmid:30142441}}

			'''The development of the dorsal mesentery in human embryos and fetuses'''

			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". Whether Toldt's and Denonvilliers' "fasciae of fusion" identify the location of the original mesothelial surfaces or, alternatively, represent the effects of postnatal wear and tear due to intestinal motility and intra-abdominal pressure changes, remains to be shown. "Malrotations" are characterized by growth defects of the intestinal loops with an ischemic origin and a narrow mesenteric root due to insufficient adhesion and fusion.
			Copyright © 2018 Elsevier Ltd. All rights reserved.
			KEYWORDS:
			(Mal-)rotation of gut; Caval fold; Denonvilliers’ fascia; Lesser sac; Mesogastrium; Slide-and-stack concept of intestinal return; Toldt’s fascia

			DOI: 10.1016/j.semcdb.2018.08.009

	==2018==		==2018==

Z8600021 at 23:43, 2 Mayıs 2020

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	{{Talk Page}}		{{Talk Page}}

			==2020==

	==2018==		==2018==

	===Development of mesenteric tissues===		===Development of mesenteric tissues===
	Semin Cell Dev Biol. 2018 Oct 19. pii: S1084-9521(18)30234-9. doi: 10.1016/j.semcdb.2018.10.005. [Epub ahead of print]		Semin Cell Dev Biol. 2018 Oct 19. pii: S1084-9521(18)30234-9. doi: 10.1016/j.semcdb.2018.10.005. [Epub ahead of print]

Z8600021 at 12:00, 29 October 2018

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	==2018==		==2018==

			===Development of mesenteric tissues===
			Semin Cell Dev Biol. 2018 Oct 19. pii: S1084-9521(18)30234-9. doi: 10.1016/j.semcdb.2018.10.005. [Epub ahead of print]

			Byrnes KG1, McDermott K2, Coffey JC3.

			Abstract

			Mesothelial, neurovascular, lymphatic, adipose and mesenchymal tissues make up the mesentery. These tissues are pathobiologically important for numerous reasons. Collectively, they form a continuous, discrete and substantive organ. Additionally, they maintain abdominal digestive organs in position and in continuity with other systems. Furthermore, as they occupy a central position, they mediate transmission of signals between the abdominal digestive system and the remainder of the body. Despite this physiologic centrality, mesenteric tissue development has received little investigatory focus. However, recent advances in our understanding of anatomy demonstrate continuity between all mesenteric tissues, thereby linking previously unrelated studies. In this review, we examine the development of mesenteric tissue in normality and in the setting of congenital abnormalities.
			PMID: 30347243 DOI: 10.1016/j.semcdb.2018.10.005

	===Anatomy of the mesentery: Current understanding and mechanisms of attachment===		===Anatomy of the mesentery: Current understanding and mechanisms of attachment===

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2018-10-23T00:49:32Z

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==2018==

===Anatomy of the mesentery: Current understanding and mechanisms of attachment===

Semin Cell Dev Biol. 2018 Oct 15. pii: S1084-9521(18)30205-2. doi: 10.1016/j.semcdb.2018.10.004. [Epub ahead of print]

Byrnes KG1, Walsh D2, Dockery P3, McDermott K4, Coffey JC5.

Abstract

An understanding of the anatomy of the mesentery is necessary to undertake any appraisal of the literature on its development. The mesentery is the collection of tissues that maintain all abdominal digestive organs in position and connection with the rest of the body. Therefore, it is also necessary to detail the exact mechanisms that maintain the mesentery in position. We explore these mechanisms, including the supportive functions of structures such as Toldt's fascia, the peritoneal reflection, and vascular connections, in this article.
KEYWORDS:
Anatomy; Attachment; Fascia; Mesentery; Peritoneum
PMID: 30316831 DOI: 10.1016/j.semcdb.2018.10.004