Gross Anatomical, Histological and Histochemical Studies of the Esophagus of the African Giant Rat (AGR) (Cricetomys gambianus-Waterhouse, 1840)
Nzalak, J., Onyeanusi, B., Samuel, A., Voh, A., Ibe, C. (2010). Gross Anatomical, Histological and Histochemical Studies of the Esophagus of the African Giant Rat (AGR) (Cricetomys gambianus-Waterhouse, 1840). EKB Journal Management System, 3(2), 55-64. doi: 10.21608/jva.2010.44900
J. Oliver Nzalak; B. Onyeanusi; A. Ojo Samuel; A. Ambrose Voh; C. S. Ibe. "Gross Anatomical, Histological and Histochemical Studies of the Esophagus of the African Giant Rat (AGR) (Cricetomys gambianus-Waterhouse, 1840)". EKB Journal Management System, 3, 2, 2010, 55-64. doi: 10.21608/jva.2010.44900
Nzalak, J., Onyeanusi, B., Samuel, A., Voh, A., Ibe, C. (2010). 'Gross Anatomical, Histological and Histochemical Studies of the Esophagus of the African Giant Rat (AGR) (Cricetomys gambianus-Waterhouse, 1840)', EKB Journal Management System, 3(2), pp. 55-64. doi: 10.21608/jva.2010.44900
Nzalak, J., Onyeanusi, B., Samuel, A., Voh, A., Ibe, C. Gross Anatomical, Histological and Histochemical Studies of the Esophagus of the African Giant Rat (AGR) (Cricetomys gambianus-Waterhouse, 1840). EKB Journal Management System, 2010; 3(2): 55-64. doi: 10.21608/jva.2010.44900

Gross Anatomical, Histological and Histochemical Studies of the Esophagus of the African Giant Rat (AGR) (Cricetomys gambianus-Waterhouse, 1840)

Journal of Veterinary Anatomy
Article 6, Volume 3, Issue 2, October 2010, Page 55-64  XML PDF (462.99 K)
Document Type: Original Article
DOI: 10.21608/jva.2010.44900
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Authors
J. Oliver Nzalak1; B. Onyeanusi1; A. Ojo Samuel1; A. Ambrose Voh2; C. S. Ibe1
1Dept of Veterinary Anatomy, Ahmadu Bello University, Zaria, Nigeria
2National Animal Productions and Research Institute, Shika Zaria, Nigeria
Abstract
Forty African Giant Rats (AGRs) were used for the present studies. The mean weight and length of the esophagus were 1.39 g (± 0.08) and 11.78 cm (± 0.53) respectively. These values accounted for 0.13 % and 5.5 % of the weight and length of the gastrointestinal tract, respectively. Grossly the esophagus was observed to lie dorsal to the trachea throughout its length. The epithelial lining of the esophagus was observed to be made up of non-keratinized stratified squamous cells. The lamina muscularis and mucous glands were absent. Histochemical studies revealed that the esophagus was Alcian Blue (AB), Periodic Acid Schiff (PAS) and Alcian Blue-Periodic Acid Schiff (AB- PAS) negative.
Keywords
Gross anatomy; histology; histochemistry; esophagus; African Giant Rat (AGR)
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