Vascularization of the small intestine in lesser anteaters, Tamandua tetradactyla (Xenarthra: Myrmecophagidae)

Ferreira, Jussara Rocha; Souza, Ana Lúcia Rezende; Mortoza, Amanda Rocha; Rezende, Lorenna Cardoso

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dc.contributor.author	Ferreira, Jussara Rocha	pt_BR
dc.contributor.author	Souza, Ana Lúcia Rezende	pt_BR
dc.contributor.author	Mortoza, Amanda Rocha	pt_BR
dc.contributor.author	Rezende, Lorenna Cardoso	pt_BR
dc.date.accessioned	2017-12-07T04:57:36Z	-
dc.date.available	2017-12-07T04:57:36Z	-
dc.date.issued	2011-08	pt_BR
dc.identifier.citation	FERREIRA, Jussara R et al. Vascularization of the small intestine in lesser anteaters, Tamandua tetradactyla (Xenarthra: Myrmecophagidae). Zoologia (Curitiba), v. 28, n. 4, p. 488-494, ago. 2011. DOI: https://doi.org/10.1590/S1984-46702011000400010. Disponível em: https://www.scielo.br/j/zool/a/8gk9KYyWZKJGH6cgGz84kHg/?lang=en#. Acesso em: 10 set. 2021.	pt_BR
dc.identifier.uri	http://repositorio.unb.br/handle/10482/28249	-
dc.language.iso	en	pt_BR
dc.publisher	Sociedade Brasileira de Zoologia	pt_BR
dc.rights	Acesso Aberto	pt_BR
dc.title	Vascularization of the small intestine in lesser anteaters, Tamandua tetradactyla (Xenarthra: Myrmecophagidae)	pt_BR
dc.type	Artigo	pt_BR
dc.subject.keyword	Artéria mesentérica	pt_BR
dc.subject.keyword	Aparelho digestivo	pt_BR
dc.subject.keyword	Tamanduá	-
dc.rights.license	Zoologia (Curitiba) - This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License (CC BY NC). Fonte: https://www.scielo.br/j/zool/a/8gk9KYyWZKJGH6cgGz84kHg/?lang=en#. Acesso em: 10 set. 2021.	-
dc.identifier.doi	https://dx.doi.org/10.1590/S1984-46702011000400010	pt_BR
dc.description.abstract1	The blood supply in the small intestine of seven Tamandua tetradactyla (Linnaeus, 1758), was studied. The method included preparation of the macroscopic collection report, perfusion of the arterial network with water (40ºC), injection of colored latex (Neoprene 650®, 2350-0003 Suvinil® dye), fixation in formaldehyde (10%), and preservation in ethanol (50%). For description and analyzes, dissection under mesoscopic light and photo documentation were performed. The small intestine of T. tetradactyla is irrigated by the cranial mesenteric artery, the ventral visceral branch of the abdominal aorta. The artery emerges from the retroperitoneum and disperses between the layers of the common mesentery, parallel to the caudal mesenteric artery. The primary cranial collateral branches irrigate the pancreas, duodenum, jejunum (13 arteries), ileum (14 vessels), and the cecocolic region. The arteries anastomose with adjacent vessels to form arches. Terminal branches are derived from these peri-intestinal arcs that reach into the intestine through the mesenteric boundary and form capillaries within the lining. The vascular pattern of the lesser anteater differs from those of other previously described vertebrates, but is similar to the pattern found in fetuses of domestic mammals during early intestinal development.	-
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