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There are 13 papers published in subject: > since this site started. |
Results per page: | 13 Total, 2 Pages | << First < Previous 1 2 |
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1. Excitatory effects of histamine on cerebellar interpositus nuclear cells of rats through H2 receptors in vitro | |||
Shen Bin,Li Hongzhao,Wang Jianjun | |||
Mathematics 15 March 2004 | |||
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Abstract:euroanatomical studies have revealed a direct hypothalamocerebellar histaminergic pathway, and our previous works have demonstrated an excitatory effect of histamine on granule and Purkinje cells of the cerebellar cortex. In this study, we further investigated the effect of histamine on the neuronal firing of cerebellar interpositus nucleus (IN) by using the cerebellar slice preparations. Eighty-seven IN cells were recorded from 38 slices. The vast majority of the cells responded to histamine stimulation with an excitatory response (79/87, 90.8%), and the rest of them showed no reaction (8/87, 9.2%). The histamine-induced excitation was not blocked by application of low-Ca2+/high-Mg2+ medium (n=8), supporting a direct postsynaptic action of histamine. The histamine H2 receptor antagonist ranitidine effectively blocked the excitatory response of IN cells to histamine (n=23), but the histamine H1 receptor antagonist triprolidine could not significantly block the histamine-induced excit | |||
TO cite this article:Shen Bin,Li Hongzhao,Wang Jianjun. Excitatory effects of histamine on cerebellar interpositus nuclear cells of rats through H2 receptors in vitro[OL].[15 March 2004] http://en.paper.edu.cn/en_releasepaper/content/458 |
2. Convergence of gastric vagal and cerebellar fastigial nuclear inputs on glycemia-sensitive neurons of lateral hypothalamic area in the rat | |||
Zhang Yueping,Wen Yunqing,Wang Jianjun | |||
Mathematics 15 March 2004 | |||
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Abstract:astric vagal and cerebellar fastigial nuclear afferents have been implicated in the regulation of food intake by their communication with lateral hypothalamic area (LHA), which is generally referred to be the feeding center. This study was designed to examine the possible convergence of the inputs from the gastric vagal trunks and cerebellar fastigial nucleus (FN) on the LHA neurons. Among recorded 191 LHA neurons, 99 (51.8%) responded to the stimulation of the gastric vagal trunks, of which 55 (55.6%) also responded to the cerebellar FN stimulation. Of 62 LHA neurons that responded to the gastric vagal stimulation, 43 (69.4%) showed an inhibitory response to the intravenous glucose application indicating they were glycemia-sensitive neurons. When the gastric vagal trunks and cerebellar FN were stimulated simultaneously, a summation of the responses usually could be seen in the recorded LHA neurons (16/20, 80%). Moreover, of 45 LHA neurons that responded to both of the gastric vagal t | |||
TO cite this article:Zhang Yueping,Wen Yunqing,Wang Jianjun. Convergence of gastric vagal and cerebellar fastigial nuclear inputs on glycemia-sensitive neurons of lateral hypothalamic area in the rat[OL].[15 March 2004] http://en.paper.edu.cn/en_releasepaper/content/457 |
3. Interspecific Scaling Relationships of Fishes Among Weight, Length, and Longevity | |||
HUI Cang | |||
Mathematics 08 January 2004 | |||
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Abstract:This paper presents data of length, weight, and longevity gathered from literature and FishBase belonging to 195 fish species and 69 families. Compared with intraspecific weight-length relationship (W~L3.0), interspecific weight scales as 2.5-power of length (W~L2.5). Additionally, interspecific longevity also shows a weak power-relationship with body length (S~L0.525). | |||
TO cite this article:HUI Cang. Interspecific Scaling Relationships of Fishes Among Weight, Length, and Longevity[OL].[ 8 January 2004] http://en.paper.edu.cn/en_releasepaper/content/128 |
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