Histopathological Lesions of Buffalo Omasum (Dome) in Nineveh Province in 2013

This study is unique as this part of gastrointestinal tract in ruminant is highly neglected and the reason might be to the principal mechanical digestive role of this part (Omasum). This does not prevent spotting- light on this part and recognizing the lesions that might be found from randomly collected samples from butchers. Gross lesions varied among lack of omasal villi, necrosis of omasal epithelium, and congestion. Histopathological results confirm the previously mentioned gross findings by revealing some necrosis (hyalinization of smooth muscle fibers), edema noticed by lack of muscle fiber bundles under the microscopic field, vacuolar degeneration of some other smooth muscles, proliferation of polymorphonuclear inflammatory cells with loose connective tissue among muscle bundles.. Keywords: key words, Omasum, buffalo, lesion