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[饮食紊乱时胃上皮内分泌细胞的结构与细胞生理学]

[The structure and cytophysiology of the endocrinocytes of the gastric epithelium in a disordered food regimen].

作者信息

Rossol'ko G N, Ivanova V F

出版信息

Morfologiia. 1993 Nov-Dec;105(11-12):96-105.

PMID:7874299
Abstract

By means of the light and electron microscopic methods the differentiation and the genesis of the epithelium endocrinocytes of the stomach mucous membrane were studied in the albino rats, fasted for 72-144 hours. The deprivation of food is followed by the increase of the number of endocrinocytes and by the change of their ultrastructure. The latter demonstrates the delay of the elimination of the secretory material in some cells (ECL, G, D, D1 cells) while the active functional condition was found in the others (ECL, A-like cells). Exo-endocrine cells with the EC or A-type granules are found in the epithelium, which is regarded as a mechanism aimed at the increase of the number of the appropriate (ECL or A-type of endocrinocytes, participating in the general metabolism of the organism.

摘要

采用光镜和电镜方法,对禁食72 - 144小时的白化大鼠胃黏膜上皮内分泌细胞的分化和发生进行了研究。饥饿后,内分泌细胞数量增加,其超微结构发生变化。后者表现为部分细胞(嗜铬样细胞、G细胞、D细胞、D1细胞)分泌物质清除延迟,而其他细胞(嗜铬样细胞、A样细胞)处于活跃的功能状态。上皮中发现了含有EC或A型颗粒的外分泌细胞,这被认为是一种旨在增加参与机体一般代谢的相应(嗜铬样或A型内分泌细胞)数量的机制。

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