Abstract
The presence of gastrin producing enteroendocrine cells characteristic of so called stomach were also present in stomachless loach Lepidocephalus guntea (Hamilton). The immunohistochemical response reveals their presence in the anterior and middle regions of the intestine. Both open and closed type of cells have been recorded but the former type predominates. Some of the open type of gastrin immune reactive cells, amidst mucosal epithelium have been observed to release their content into the lumen of the intestine, suggesting hormone–parahormone–lumone role of gastrin. The closed type of gastrin immunoreactive cells are mostly located in the sub-mucosal region with characteristic cytoplasmic extensions projecting towards both lumen as well as basal zone of the villi. Keeping their morphological appearance in consideration, the present authors propose that both the types of cells are interconvertible as per their requirement as hormone or parahormone or lumone.
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One of the authors Ritesh Kumar Shukla is thankful to UGC Eastern Regional Office, Kolkata for funding the project as minor research project (F. PSJ-011/10-11). We are also grateful to the authorities of St. Xavier’s College, Ranchi for the research facilities.
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Venkat Appa Rao, N., Shukla, R.K. Distribution of Gastrin Immune Reactive Cells in the Alimentary Canal of a Stomachless Hill Stream Loach, Lepidocephalus guntea (Hamilton): An Immuno-Histochemical study. Proc. Natl. Acad. Sci., India, Sect. B Biol. Sci. 83, 603–607 (2013). https://doi.org/10.1007/s40011-013-0163-0
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DOI: https://doi.org/10.1007/s40011-013-0163-0