Histological and Histochemical Studies of the Colon in the African Giant Rat (Cricetomys gambianus, Waterhouse 1840)

Document Type : Original Article

Authors

1 Department of Veterinary Anatomy, Ahmadu Bello University, Zaria, Nigeria

2 Dept of Veterinary Anatomy, Ahmadu Bello University, Zaria Nigeria.

3 Dept of Veterinary Anatomy, Ahmadu Bello University, Zaria, Nigeria.

Abstract

Forty AGRs were used for the present study. Histologically, the different segments of the colon were observed to be lined by simple columnar epithelium with numerous goblet cells and intestinal glands. The tunica muscularis was observed to present a thick band of longi- tudinal muscles. Histochemical studies showed that the goblet cells and the intestinal glands of the en- tire colon were AB, PAS and AB- PAS positive, signifying the production of acidic and neutral mucin.

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