Investigation of central auditory nuclei in the budgerigar with cytochrome oxidase histochemistry.

Investigation of central auditory nuclei in the budgerigar with cytochrome oxidase histochemistry.
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用细胞色素氧化酶组织化学研究虎皮鹦鹉的中枢听觉核。

DOI:
10.1016/0006-8993(90)91127-3
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发表时间:
1990
期刊:
影响因子:
2.9
通讯作者:
Brauth,SE
Brauth,SE
中科院分区:
医学3区
文献类型:
--
作者:
Brauth,SE

文献摘要

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采用细胞色素氧化酶(CO)组织化学方法研究了虎皮鹦鹉中枢听觉结构的组织结构。与先前在鸟类中的研究相反,乙酰胆碱酯酶染色在后脑听觉结构中最为强烈,CO染色在听觉通路的所有水平都很突出,包括丘脑(即卵状核)和初级端脑听觉区(场‘ L ’)。此外,CO染色清楚地区分了野‘ L ’与相邻的新纹状体背外侧中间部的边界2,3,后者不接受来自听觉丘脑的输入。因此,CO染色可以作为区分鸟类端脑听觉和非听觉部分的标记物。
Cytochrome oxidase (CO) histochemistry was used to study the organization of central auditory structures in the budgerigar (Melopsittacus undulatus). In contrast to prior studies9in birds showing that acetylcholinesterase staining is most intense within hindbrain auditory structures CO staining was prominent at all levels of the auditory pathway including the thalamus (i.e. nucleus ovoidalis) and primary telencephalic auditory area (Field ‘L’). Furthermore, CO staining clearly distinguishes the boundaries of Field ‘L’ from adjacent portions of the neostriatum intermedium pars dorsolateralis2,3which do not receive input from the auditory thalamus. Thus CO staining can be used as a marker for distinguishing auditory and non-auditory portions of the avian telencephalon.