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首页> 外文期刊>The Journal of Experimental Biology >CENTRAL PROJECTIONS OF THE MAXILLARY AND ANTENNAL NERVES IN THE MOSQUITO AEDES AEGYPTI
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CENTRAL PROJECTIONS OF THE MAXILLARY AND ANTENNAL NERVES IN THE MOSQUITO AEDES AEGYPTI

机译：蚊子埃及埃及上颌和肛门神经的中央投影

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摘要

In the mosquito Aedes aegypti, CO2-sensitive receptor neurones are located together with two other types of chemoreceptor neurones in club-shaped sensilla basiconica on the most distal segment of the maxillary palps, In order to identify the central target neuropiles of these neurones and to determine whether antennal receptor neurones project into the same area, the palpal and antennal nerves were labelled by anterograde staining with horseradish peroxidase and by experimentally induced degeneration, The different methods revealed a consistent projection pattern, (1) Maxillary afferents project into the suboesophageal ganglion and ascend further into the ipsilateral antennal lobe. There, they terminate within an identified glomerulus of the ventroposterior lobe. (2) Afferents of the antennal flagellum project into all glomeruli of the ipsilateral antennal lobe, with the exception of the glomerulus innervated by the maxillary nerve. The present anatomical findings suggest that primary processing of information about CO2 levels takes place in a defined glomerulus which also receives input from other palpal chemoreceptor neurones. [References: 32]
机译：在蚊埃及伊蚊中，对CO2敏感的受体神经元与其他两种化学感受器神经元一起位于上颌触诊最远端段的棍状感性基本感中，以鉴定这些神经元的中心目标神经元，并确定是否触角感受器神经元投射到同一区域，用辣根过氧化物酶进行顺行染色并通过实验诱导的变性标记触诊和触诊神经。不同的方法揭示了一致的投射方式，（1）上颌传入体投射到食管下神经节和进一步上升到同侧触角叶。在那里，它们终止于已确定的腹后叶肾小球内。 （2）触角鞭毛的传入神经伸入同侧触角叶的所有肾小球，上颌神经支配的肾小球除外。当前的解剖学发现表明，有关CO2水平信息的主要处理发生在定义的肾小球中，该肾小球还接收来自其他触觉化学感受器神经元的输入。 [参考：32]

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