RESUMO
Forty African giant rats (AGRs), (Cricetomys gambianus) were used for the macrometric study. The rats were sacrificed according to the method of Adeyemo and Oke (1990) and the various segments of the gastrointestinal tract (GIT) and the digestive glands of each of the rats were weighed and measured. The large intestine was observed to have the highest mean weight (19.98 ± 0.39 g) followed by the stomach (19.47 ± 0.26 g) and then the small intestine (17.19 ± 0.30S g), respectively. Of all the digestive glands, the liver was found to have the highest mean weight (21.29 ± 0.43 g). The small intestine was observed to be the longest (109.17 ± 28.68 cm) followed by the large intestine (75.57 ± 1.78 cm). Out of all the intestinal segments (small and large), the jejunum was observed to be the longest (72.26 ± 2.39 cm) followed by the colon (57.30 ± 1.58 cm) (AU)
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