The muscular organization of the stomach of Capybara (Hydrochoerus hydrochaeris): an architectural view

Moraes, Priscilla Teixeira de Barros; Souza, Wilson Machado de; Neto, Paulo Bezerra da Silva; Barretto, Carla Siqueira de Figueiredo; Ribeiro, Antônio Augusto Coppi Maciel

doi:10.1016/j.aanat.2004.05.003

Cited by 3 publications

(1 citation statement)

References 6 publications

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“…The cardiac sphincter muscle in capybaras partly formed by the external longitudinal and internal oblique bundles connected to the circular layer, which structurally reinforces the pyloric ostium. This additional reinforcement of the cardiac sphincter muscle may be related with prevention of gastroesophagic food reflux during the digestive process, which requires powerful and efficient muscular control 13 . The inner longitudinal layer of the human pyloric sphincter could therefore contribute in reinforcing the pyloric motility and preventing duodenogastric reflux.…”

Section: Discussionmentioning

confidence: 99%

The three muscle layers in the pyloric sphincter and their possible function during antropyloroduodenal motility

Hur

Lee

Kang

et al. 2021

Sci Rep

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This study was conducted to determine the muscular arrangement of the human pyloric sphincter using a comprehensive approach that involved microdissection, histology, and microcomputed tomography (micro‐CT). The stomachs of 80 embalmed Korean adult cadavers were obtained. In all specimens, loose muscular tissue of the innermost aspect of the sphincter wall ran aborally, forming the newly found inner longitudinal muscle bundles, entered the duodenum, and connected with the nearby circular bundles. In all specimens, approximately one-third of the outer longitudinal layer of the sphincter entered its inner circular layer, divided the circular layer into several parts, and finally connected with the circular bundles. Anatomical findings around the sphincter were confirmed in micro-CT images. The sphincter wall comprised three layers: an inner layer of longitudinal bundles, a middle layer of major circular and minor longitudinal bundles, and an outer layer of longitudinal bundles. The stomach outer longitudinal bundles were connected to the sphincter circular bundles. The inner longitudinal bundles of the sphincter were connected to the adjacent circular bundles of the duodenum.

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Section: Discussionmentioning

confidence: 99%

The three muscle layers in the pyloric sphincter and their possible function during antropyloroduodenal motility

Hur

Lee

Kang

et al. 2021

Sci Rep

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Capybara Digestive Adaptations

Herrera

2012

Capybara

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Anatomy of the Gross Intestine of the Capybara <i>(Hydrochoerus Hydrochaeris)</i>

Vazquez¹,

Senos²,

Pérez³

2012

American Journal of Animal and Veterinary Sciences

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Problem statement:The anatomy of the gross intestine and its mesentery of the capybara (Hydrochoerus hydrochaeris) have not been described completely. Approach: In the present study, eight adult capybaras were studied using gross dissection. Results: The cecum was the largest part of the intestine and was divided into base, body and apex. The cecocolic fold joined the cecum to the full extent of the proximal loop of ascending colon. The ascending colon was divided into two ansae, one proximal and one distal or spiral. The distal ansa had a spiral arrangement and was placed cranially to the right, covered ventrally by the apex of the cecum. This ansa had a centripetal gyrus to the left, a central flexure and a centrifugal gyrus turning to the right that was continuous with the transverse colon in the right colic flexure. Conclusion: The gross intestine of the capybara was different to other previously studied rodents.

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The muscular organization of the stomach of Capybara (Hydrochoerus hydrochaeris): an architectural view

Cited by 3 publications

References 6 publications

The three muscle layers in the pyloric sphincter and their possible function during antropyloroduodenal motility

The three muscle layers in the pyloric sphincter and their possible function during antropyloroduodenal motility

Capybara Digestive Adaptations

Anatomy of the Gross Intestine of the Capybara <i>(Hydrochoerus Hydrochaeris)</i>

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