Anomalous origin of the right subclavian artery in a Neotropical otter (<i>Lontra longicaudis</i>, Olfers

Anomalous origin of the right subclavian artery in a Neotropical otter (Lontra longicaudis, Olfers—1818)

Published:2024-01-23 Issue:2 Volume:53 Page:
ISSN:0340-2096
Container-title:Anatomia, Histologia, Embryologia
language:en
Short-container-title:Anat Histol Embryol

Author:

Vélez García Juan Fernando¹²^ORCID

Affiliation:

1. Department of Animal Health, Faculty of Veterinary Medicine and Animal Science, Research Group of Medicine and Surgery in Small Animals Universidad del Tolima Ibagué Colombia

2. Department of Surgery, School of Veterinary Medicine and Animal Science, Postgraduate Program in Anatomy of Domestic and Wild Animals Universidade de São Paulo São Paulo Brazil

Abstract

AbstractThe Neotropical otter (Lontra longicaudis) is a mustelid distributed geographically from Mexico to Argentina. Anomalous origins of the aortic arch branches are rarely reported in wild carnivorans. Therefore, this study aimed to report the anomalous branching of the aortic arch in one formaldehyde‐fixed specimen of L. longicaudis. The aortic arch provided three branches: the bicarotid trunk and the left and right subclavian arteries. The latter passed dorsally to the esophagus toward the right side without a mark of compression at the esophagus. This is the first report of an anomalous origin of the right subclavian artery in L. longicaudis.

Publisher

Wiley

Link

https://onlinelibrary.wiley.com/doi/pdf/10.1111/ahe.13019

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