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Gross anatomy of the stomach and intestine of an antarctic minke whale (Balaenoptera bonaerensis)


Pérez, William; Lima, Martin; Büker, Markus; Clauss, Marcus (2017). Gross anatomy of the stomach and intestine of an antarctic minke whale (Balaenoptera bonaerensis). Mammalia, 81(1):111-113.

Abstract

The gastrointestinal tract of a female, immature (2400 kg body mass, 6.6 m body length) southern minke whale (Balaenoptera bonaerensis) was investigated. The forestomach had a non-glandular, keratinized squamous epithelium which was separated from the fundic chamber by a clear border between a keratinized epithelium and a glandular, folded mucosa. The beginning of the duodenum consisted of the ampulla duodeni. Both cecum and colon had a smooth external appearance without sacculations or bands. Compared to phylogenetically closely related Artiodactyla, the size of the stomach complex and the intestine was short, corresponding to the carnivorous diet of cetaceans.

Abstract

The gastrointestinal tract of a female, immature (2400 kg body mass, 6.6 m body length) southern minke whale (Balaenoptera bonaerensis) was investigated. The forestomach had a non-glandular, keratinized squamous epithelium which was separated from the fundic chamber by a clear border between a keratinized epithelium and a glandular, folded mucosa. The beginning of the duodenum consisted of the ampulla duodeni. Both cecum and colon had a smooth external appearance without sacculations or bands. Compared to phylogenetically closely related Artiodactyla, the size of the stomach complex and the intestine was short, corresponding to the carnivorous diet of cetaceans.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:05 Vetsuisse Faculty > Veterinary Clinic > Department of Small Animals
Dewey Decimal Classification:570 Life sciences; biology
630 Agriculture
Language:English
Date:31 January 2017
Deposited On:09 Feb 2017 14:35
Last Modified:21 Jun 2018 07:44
Publisher:Walter de Gruyter GmbH
ISSN:0025-1461
OA Status:Green
Publisher DOI:https://doi.org/10.1515/mammalia-2015-0168

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