Artérias mesentéricas cranial e caudal da paca (Cuniculus paca, L. 1766)

Marques, Isabela Cristina de Souza; Filho, Sérgio Pinter Garcia; Martins, Leandro Luís; Leal, Leonardo Martins; Reis, Ana Carolina Gonçalves dos; Machado, Márcia Rita Fernandes

doi:10.5007/2175-7925.2013v26n1p165

Cited by 1 publication

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“…The cranial mesenteric artery, the second branch emitted by the abdominal aorta, vascularizes part of the duodenum, jejunum, ileum and cecum, similar to the descriptions for domestic animals (Dyce et al, 2010) and rodents, such as coypu (Machado et al, 2006), rock cavy (Kerodon rupestris) (Queiroz et al, 2011) and lowland paca (Cuniculus paca) (Marques et al, 2013), as well as in lagomorphs, such as rabbits (Machado et al, 2008). In some cases, the cranial mesenteric artery may originate from a common trunk with the celiac artery, forming the celiacomesenteric trunk, as observed in rock cavy (Queiroz et al, 2011) and coypu (Machado et al, 2006).…”

Section: Re Sultssupporting

confidence: 71%

Abdominal aortic branches of red‐rumped agouti (Dasyprocta leporina Linnaeus, 1758)

Tertulino,

de Sousa,

Gurgel

et al. 2023

Anat Histol Embryol

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Understanding the cardiovascular system is fundamental in diagnosing pathologies and interpreting exams, such as contrast radiographs. In this context, the present study describes the collateral abdominal aorta artery branches of red‐rumped agouti. Ten red‐rumped agoutis, six males and four females, were assessed. The vascular system was perfused with Neoprene 450 latex coloured with a yellow pigment, dissected and analysed. Three euthanized animals were perfused with a barium sulfate solution (1 g mL−1) associated with latex Neoprene 450 at a 1:3 ratio to obtain contrast‐enhanced radiographs. The abdominal aorta emitted the celiac artery, which in turn originated the left gastric, hepatic and splenic arteries. The second collateral branch comprised the cranial mesenteric artery, followed by the renal arteries, which emitted the adrenal arteries, with the caudal emergence of the gonadal arteries. The caudal mesenteric artery appeared in a caudal direction. The abdominal aorta divided after reaching the pelvic cavity entrance, originating the right and left common iliac arteries. Before its bifurcation, the abdominal aorta dorsocaudally emitted its last collateral branch, the median sacral artery. The collateral branches of the aorta, therefore, resemble previously described rodent patterns, with few variations.

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