共查询到20条相似文献,搜索用时 15 毫秒
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
The effect of fluorosis on lactation, lactotroph function and ultrastructure were studied in lactating rats. The results were as follows: 1) Inhibition of lactation in lactating rats with chronic fluorosis was assessed by stunting growth of pups and decrease in the amount of milk suckled by pups in 30 min. Metoclopramide, a blocker of dopamine receptor, could improve lactation in these rats. 2) During chronic fluorosis serum PRL level was decreased, however, PRL content in pituitary was increased. Electronmicroscopic examination showed accumulation of large mature secretory granules and appearance of extremely large abnormal secretory granules in lactotroph cytoplasma. These findings indicate that hormone release of pituitary lactotrophs is obstructed in lactating rats with fluorosis, and the toxic effect of fluoride is mediated by an enhanced function of dopaminergic system in hypothalamus. 相似文献
13.
14.
氟马西尼与纳洛酮治疗安定并乙醇中毒18例 总被引:2,自引:0,他引:2
急性安定并乙醇中毒为急诊科常见重症之一,严重者可危及生命,我院自2003年5月-2004年5月救治急性安定并乙醇中毒共18例,我们采用氟马西尼与纳洛酮治疗,效果显著。现报告如下。 相似文献
15.
16.
燃煤型氟中毒的传播方式十分复杂,除去燃煤烧烤的蔬菜与粮食之外,还包括空气、水以及煤炭开采与运输过程中对外部环境所造成的污染等。无论以何种方式致使人体中的氟含量超标,都会对人体的健康构成严重的威胁。基于此,本文拟从燃煤型氟中毒及其与人体健康的关系出发,对燃煤型氟中毒产生的原因进行深入的分析,探讨防治燃煤型氟中毒现象的重要路径,以期为人类的身体健康研究提供有价值的参考。 相似文献
17.
实验性氟中毒小鼠毛发中几种微量元素含量的研究 总被引:3,自引:0,他引:3
让年幼小白鼠饮用不同浓度的 N a F水溶液一个月造成其氟中毒 ,然后分析其毛发中 Fe、Cu、Zn、Se等微量元素的含量。结果发现 Fe、Cu、Zn的含量明显下降或有下降趋势 ,而 Se能抑制其下降。这一结果对氟中毒的防治具有一定的意义 相似文献
18.
19.