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Published online: 2020-07-08
Submitted: 2020-05-28
Accepted: 2020-07-03
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Origin and main ramifications of celiac artery in Cerdocyon thous

S. Viana-Peçanha, E. C. Souza, D. M.L. Guerra, F. C.S. Bernardes, R. B. J. Carvalho, P. de Souza Junior, M. Abidu-Figueiredo
DOI: 10.5603/FM.a2020.0072
·
Pubmed: 32644185

open access

Ahead of Print
ORIGINAL ARTICLES
Published online: 2020-07-08
Submitted: 2020-05-28
Accepted: 2020-07-03

Abstract

Cerdocyon thous is the canid with the greatest geographical coverage in South America. The aim of this study was to describe the origin, skeletopy, length and main branches of the celiac artery in C. thous. The dissections were performed on 14 cadavers of adult specimens, six males and eight females, with a rostrosacral length average of 67.00 ± 4.7 and 62.09 ± 5.7 cm respectively. The specimens were collected dead on highways on the banks of the Atlantic Forest (Rio de Janeiro) and the Pampa biome (Rio Grande do Sul) in Brazil. The cadavers were fixed and preserved in a formaldehyde solution until dissection. The celiac artery was dissected, the length was measured “in situ” and its main branches were recorded. The celiac artery emerged as a single artery in all dissected animals. The average length of the celiac artery was 1.43 ± 0.17 cm in males and 1.39 mm ± 0.24 cm in females, with no significant difference in this measurement between sex. The predominant skeletopy was at the level of the 2nd lumbar vertebra (57.1%), positioned on average 1.43 cm cranially to the cranial mesenteric artery. In most individuals (92.9%), the classic trifurcation was formed: the celiac artery originated the hepatic, left gastric, and lienal arteries. Only one male animal presented a bifurcation formed between the hepatic artery and a gastrolienal trunk. These anatomical characteristics are similar to those of other species of the Canidae family, possibly due to their phylogenetic proximity.

Abstract

Cerdocyon thous is the canid with the greatest geographical coverage in South America. The aim of this study was to describe the origin, skeletopy, length and main branches of the celiac artery in C. thous. The dissections were performed on 14 cadavers of adult specimens, six males and eight females, with a rostrosacral length average of 67.00 ± 4.7 and 62.09 ± 5.7 cm respectively. The specimens were collected dead on highways on the banks of the Atlantic Forest (Rio de Janeiro) and the Pampa biome (Rio Grande do Sul) in Brazil. The cadavers were fixed and preserved in a formaldehyde solution until dissection. The celiac artery was dissected, the length was measured “in situ” and its main branches were recorded. The celiac artery emerged as a single artery in all dissected animals. The average length of the celiac artery was 1.43 ± 0.17 cm in males and 1.39 mm ± 0.24 cm in females, with no significant difference in this measurement between sex. The predominant skeletopy was at the level of the 2nd lumbar vertebra (57.1%), positioned on average 1.43 cm cranially to the cranial mesenteric artery. In most individuals (92.9%), the classic trifurcation was formed: the celiac artery originated the hepatic, left gastric, and lienal arteries. Only one male animal presented a bifurcation formed between the hepatic artery and a gastrolienal trunk. These anatomical characteristics are similar to those of other species of the Canidae family, possibly due to their phylogenetic proximity.

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Keywords

animal anatomy, cardiovascular system, crab-eating-fox, wild carnivorans

About this article
Title

Origin and main ramifications of celiac artery in Cerdocyon thous

Journal

Folia Morphologica

Issue

Ahead of Print

Article type

Original article

Published online

2020-07-08

DOI

10.5603/FM.a2020.0072

Pubmed

32644185

Keywords

animal anatomy
cardiovascular system
crab-eating-fox
wild carnivorans

Authors

S. Viana-Peçanha
E. C. Souza
D. M.L. Guerra
F. C.S. Bernardes
R. B. J. Carvalho
P. de Souza Junior
M. Abidu-Figueiredo

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