豚鼠幼体和成体肺神经内分泌细胞的功能形态

Füsun Öztay
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引用次数: 2

摘要

研究了蝌蚪和成鱼肺神经内分泌细胞(PNECs)的分布和功能形态。在成年蛙肺中研究了pnec对不同实验条件的反应。在蝌蚪肺中,在内层上皮中发现了bombesin和生长抑素免疫反应(IR) pnec。在冷水(+ 4℃)中饲养的成年青蛙,大部分血清素- ir细胞和bombesin-IR细胞储存有分泌物质,同时血清素- ir细胞释放有分泌物质,而分泌物质有限的生长抑素- ir细胞很少。在干燥水族箱中,成年蛙的生长抑素- ir细胞处于不同的分泌阶段。总之,pnec的活性取决于肺对呼吸的贡献量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The Functional Morphology of the Pulmonary Neuroendocrine Cells in the Lung of Larval and Adult Rana ridibunda
The distribution and functional morphology of neuroendocrine cells (PNECs) were studied in the lung of tadpole and adult Rana ridibunda. The responses of PNECs to different experimental conditions were investigated in adult frog lungs. In tadpole lungs, bombesin- and somatostatin immunoreactive (IR) PNECs were found in the inner-lining epithelium. In adult frogs kept in cold water (+ 4 oC), mostly serotonin- and bombesin-IR cells had stored secretory material as well as serotonin-IR cells with released secretion, while somatostatin-IR cells with limited secretory material were scarce. In the dry aquarium, somatostatin-IR cells of adult frogs were at various secretory stages. In conclusion, the activities of PNECs varied by depending on the amount of pulmonary contribution of lungs into respiration.
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