National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
Gross, histological and scanning electron microscopic studies were conducted on the gut-associated lymphoid tissue (GALT) in the rectum of six crossbred male goats of six months of age. The patches forming GALT in the rectum called RC patch was seen in the rectal sinus along the whole intestinal circumference near the anorectal junction. Histologically, the lymphoid nodules in all the patches of large intestine occurred in two morphologically different forms, viz. propria nodules and lymphoglandular complexes (LGC). In the case of propria nodules, the lymphoid nodules were seen mainly in the lamina propria and its dome projected into the lumen of the intestine. In the LGC, several lymphoid nodules were almost completely located under the muscularis mucosae in the tunica submucosa. The dome was covered by a follicle-associated epithelium (FAE). The diameter of the lymphoid nodules and number of lymphocytes per nodule were 894.17±2.39 µm and 41133.33±244.15 respectively in RC patch. In scanning electron microscopy of GALT in the large intestine, the rounded sac-like follicles were the largest in the RC patch. Maximum development of lymphoid tissue was noticed in the rectal patches, suggesting that they could be exploited as targets for rectal vaccines for the induction of mucosal immune response in this species.
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