Anatomical records of the splancheology of capybara
1998
Makita, T. (Yamaguchi Univ. (Japan). Faculty of Agriculture) | Kakuni, M. | Shintaku, T. | Imada, T. | Kiso, Y. | Kumakura, A. | Tanaka, N.M. | Felix, M. | Coelho, R.M. | Endo, H.
Capybaras (Hydrochaeris hydrochaeris) are the largest living rodents and their organs have been assumed to resemble those of guinea pigs, rats and mice. In 1998 three capybaras (one adult female and two young males) were dissected at the gross anatomy laboratory of veterinary medicine of the Marilia University at Marilia city, San Paulo, Brazil and major organs were examined. This in an anatorical record of those organs. In addition to the general view of their body, head, oral cavity, forefoot and hindfoot, this anatomical note refers to brain, liver, gallbladder, stomach, duodenum, pancreas, spleen, kidney, adrenal, lung, heart, testis, vas defference, ovary, uterine horn, uterus, vagina, urinary bladder and urether. The details of cecum are described elsewhere. The innersurface of stomach, gastric mucosa, is not clearly divided into cardiac and fundus region with plicae as in the case of rats. In capybaras more lobesof liver and lung are identified than those of guinea pigs, rats and mice. The shape and position of adrenal glands and kidneys are different from those of rats and mice. The dorsal edge of spleen has two sharp and deep sulci, and two small portions are divided from the rest of the body of spleen. In conclusion, it is hard to assume that the feature of the organs of capybaras is similar to that of guinea pig, rat, and mouse.
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