Morphology of the Intestinal Tract in the White Rhinoceros (Ceratotherium simum)

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Abstract
The intestinal tract of the white rhinoceros (Ceratotherium simum) was dissected. We observed a simple structure for the small intestine, duodenum, jejunum and ileum, and a well‐developed large intestine, cecum, colon and rectus. The cecum consisted of a small chamber, whereas the colon was much enlarged; notably larger than that of the domesticated horse, which belongs to the same order, Perissodactyla. This suggests that in the white rhinoceros the cecum may be functionally replaced by the well‐developed colon which may act as the main fermentation tank in this animal.

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