Comparative study of the stomach morphology in rabbit and chinchilla
Open accessAbstract
In recent years the use of rabbits and chinchillas as experimental model both in human and veterinary medicine and as pets is gaining ground detriment to the carnivores. Moreover, major human intervention in their diet, leading to the artificiality of a major part of the food, justifies the acquisition of specific morphological knowledge to each organ. Changing the composition of nutrients increases the risk of many digestive disorders, especially digestive organs themselves. The aim of this study is achieving morphological and topographic description of the first important component of post diaphragmatic digestive tract - the stomach. We used 10 rabbits and 10 chinchillas. The subjects were clinically healthy and of different weights and ages. Gross dissection was perform in all subjects. In both species the stomach is simple. The transition from the esophageal mucosa to the gastric mucosa is clearly marked. The gastro esophageal sphincter is very visible, placed in the middle of the small curvature. The distal esophageal mucosa has a serrated pattern, making a strong gastro esophageal sphincter. In rabbit, the stomach shows thin walls with well individualized cardia and pilor orifices. The fornix is visible, located dorsal of the cardia orifice. Before the pyloric opening a narrow segment is visible - the pyloric antrum (Antrum pyloricum). The pylorus is mostly compressed by the duodenum and the left lobe of the liver. The gastric mucosa presents itself as a glandular type on its entire surface. At chinchillas, the stomach is oriented transversally and lies mainly caudal to the rib cage, slightly left deviated. The angular notch is sharpest and the dorsal region of the stomach is at the same level with the pylorus. The gastric folds are much more obvious in the stomach body than in the juxtacardial region. Both in rabits and chinchillas, the stomach present numerous similarities regarding the topography, divisions, pattern and relationships with adjacent organs. Significant differences exist in the mucosa, and the presence of an individualized fornix and a well-developed pyloric antrum in rabbits, compared with chinchilla.
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In small animals, there are few data in scientific literature regarding each component of the digestive system.
“Morphological description of digestive system is well represented in humans and large animals, but in small animals there are a few data in scienti ic literature regarding each component (Stan, 2013;Irimescu et al., 2014).”
From Anatomical Particularities of the Cecum in Rabbits and Chinchillas (2014) · cites this paper as Stan, 2013
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Research works printed but not linked: 8
- Brewer N.R., Cruise L.J., 1999. Anatomy (Chap 3) and Physiology (Chap. 4). In Manning PJ Ringler DH Newcomer CE, editors. The biology of laboratory rabbit. San Diego, Academic press, p. 63-71.
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- Stan F., Damian A., Gudea A., Dezdrobitu C., Delia Bob, Martono C., Ileana Bochis, Pogana B., 2013. Comparative anatomical study of the large intestine in rabbit and chinchilla. Bulletin of UASVM Cluj-Napoca, Veterinary Medicine, Vol. 69(1-2).
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Anatomical Particularities of the Cecum in Rabbits and Chinchillas
STAN, F. G. (2014) · Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca. Veterinary Medicine · doi:10.15835/buasvmcn-vm:10587 · Cited by 10 · see citing works
“Morphological description of digestive system is well represented in humans and large animals, but in small animals there are a few data in scienti ic literature regarding each component (Stan, 2013; Irimescu et al., 2014).”
BackgroundSelf-citation
- Authors
- STAN, F.
- Corresponding author
- STAN, Florin
- ORCID
- STAN, Florin
- Venue
- AgroLife Scientific Journal
- Published
- 2013-12-31
- Volume
- 2
- Issue
- 2
- Pages
- 73-78
- ISSN
- 2285-5718 (ISSN-L)
- 2286-0126
- OpenAlex
- W2101810508
- Cited by
- 12
- References
- 0
- Citations by year
- 2025: 2 · 2024: 1 · 2022: 1 · 2020: 1 · 2019: 1 · 2018: 1 · 2016: 1 · 2015: 2 · 2014: 2
- FWCI
- 2.03
- Type
- journal article
- Language
- en
- Open access
- diamond
- doi.org
- Licence
- cc-by
- Locations
- AgroLife Scientific Journal (publishedVersion, cc-by)
- AgroLife Scientific Journal (cc-by)
- Topics
- Health Sciences › Medicine › Urology › Comparative Animal Anatomy Studies
- Health Sciences › Veterinary › Small Animals › Veterinary Medicine and Surgery
- Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Rabbits: Nutrition, Reproduction, Health
- Keywords
- stomach morphology, rabbits, chinchilla, esophagogastric junction, pylorus, gastric folds, gastric mucosa, comparative anatomy
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