An immunohistochemical study of endocrine cells in the abomasum of vagotomized calf
2002
Soehartono, R.H. (Obihiro Univ. of Agriculture and Veterinary Medicine, Hokkaido (Japan)) | Kitamura, N. | Yamagishi, N. | Taguchi, K. | Yamada, J. | Yamada, H.
The effect of thoraco-vagotomy on the distribution and frequency of chromogranin-, serotonin-, somatostatin- and gastrin-immunoreactive cells in the abomasum of the calf were investigated by immunohistochemistry. Calves were vagotomized at 1 week old and sampled 2 and 4 weeks later. The endocrine cells generally decreased in number in vagotomized calves as compared to non-operated control calves. However, the detailed responses of endocrine cells to vagotomy varied depending on the endocrine cell type, region of gastric mucosa, and period after vagotomy. The present result suggests that the vagus nerve has an influence on the intrinsic regulatory system by endocrine cell control in the ruminant abomasum.
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