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首页> 外文期刊>The Journal of Comparative Neurology >Transmitter receptors reveal segregation of the arcopallium/amygdala complex in pigeons ( Columba livia Columba livia )
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Transmitter receptors reveal segregation of the arcopallium/amygdala complex in pigeons ( Columba livia Columba livia )

机译：发射机受体揭示鸽子（Columba Livia Columba Livia）的Arcopalium / Amygdala综合体的分离

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Abstract At the beginning of the 20th century it was suggested that a complex group of nuclei in the avian posterior ventral telencephalon is comparable to the mammalian amygdala. Subsequent findings, however, revealed that most of these structures share premotor characteristics, while some indeed constitute the avian amygdala. These developments resulted in 2004 in a change of nomenclature of these nuclei, which from then on were named arcopallial or amygdala nuclei and referred to as the arcopallium/amygdala complex. The structural basis for the similarities between avian and mammalian arcopallial and amygdala subregions is poorly understood. Therefore, we analyzed binding site densities for glutamatergic AMPA, NMDA and kainate, GABAergic GABA A , muscarinic M 1 , M 2 and nicotinic acetylcholine (nACh; α 4 β 2 subtype), noradrenergic α 1 and α 2 , serotonergic 5‐HT 1A and dopaminergic D 1/5 receptors using quantitative in vitro receptor autoradiography combined with a detailed analysis of the cyto‐ and myelo‐architecture. Our approach supports a segregation of the pigeon's arcopallium/amygdala complex into the following subregions: the arcopallium anterius (AA), the arcopallium ventrale (AV), the arcopallium dorsale (AD), the arcopallium intermedium (AI), the arcopallium mediale (AM), the arcopallium posterius (AP), the nucleus posterioris amygdalopallii pars basalis (PoAb) and pars compacta (PoAc), the nucleus taeniae amgygdalae (TnA) and the area subpallialis amygdalae (SpA). Some of these subregions showed further subnuclei and each region of the arcopallium/amygdala complex are characterized by a distinct multi‐receptor density expression. Here we provide a new detailed map of the pigeon's arcopallium/amygdala complex and compare the receptor architecture of the subregions to their possible mammalian counterparts.
机译：摘要在20世纪初，有人建议，禽类后腹间梭龙的复杂核群体与哺乳动物Amygdala相当。然而，随后的发现表明，这些结构中的大多数都共享热球特征，而有些确实构成了禽Amygdala。这些发展导致2004年在这些核的命名的变化中，从那时起，从那时起被命名为Arcopallial或Amygdala核，并称为Arcopalium / Amygdala络合物。 Avian和哺乳动物Arcopallial和Amygdala次区域之间的相似性的结构基础知之甚少。因此，我们分析了谷氨酸氨酰胺AMPA，NMDA和Kainate，Gabaergic GABA A，毒蕈碱M1，M 2和烟碱乙酰胆碱（Nach;α4β2亚型），非肾上腺能α1和α2，Serotonergic 5-HT 1a的结合位点密度和多巴胺能D 1/5受体使用定量的体外接收性放射造影，结合了细胞和米洛亚建筑的详细分析。我们的方法支持鸽子的Arcopalium / Amygdala复合体的分离，进入以下次区域：ArcopalaLium Anterius（AA），Arcopalium Ventrale（AV），Arcopalium Dorsale（AD），Arcopalium中间（AI），Arcopalium Mediale（AM ），氨基铝（AP），Nucleus后肌氨胺属植物（痘痘）和Pars Compacta（POAC），核心Taeniae Amgygdalae（TNA）和地区蛛网（SPA）。这些亚区中的一些亚核和Arcapalium / Amygdala复合物的每个区域的特征在于不同的多受体密度表达。在这里，我们提供鸽子的Arcopalium / Amygdala综合体的新详细地图，并将次区域的受体架构与可能的哺乳动物同行进行比较。

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