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KMID : 0893420090100010009
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Journal of Veterinary Science
2009 Volume.10 No. 1 p.9 ~ p.13
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Distribution and ontogeny of gastrin- and serotonin-immunoreactive cells in the proventriculus of developing chick, Gallus gallus domestica
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Abdulkerim Aksoy
Kenan Cinar
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Abstract
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The ontogeny and distribution of gastrin- and serotoninimmunoreactive (IR) cell in the proventriculus of chicks (Gallus gallus domestica, n = 60) in different growth periods was examined immunohistochemically using antisera specific to gastrin and serotonin. Gastrin and serotonin-IR cells were detected in chick proventriculus. Gastrin-IR cells were first evident after 12 days of incubation in lamina epithelialis and compound glands, while serotonin- IR cells were observed only in compound glands at that same time. Gastrin-IR and serotonin-IR cells increased in frequency on incubation day 14 and 16, respectively. Towards the end of incubation, gastrin- and serotonin-IR cell numbers decreased. In adult chicken, both IR cells were present but not lower numbers. The observations demonstrate the presence of gastrin- and serotonin-IR cells in the proventriculus of developing chicks in temporally changing frequencies.
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KEYWORD
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chick, endocrine cell, gastrin, ontogeny, proventriculus, serotonin
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