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环鸽丘脑听区传入神经投射的研究
引用本文:左明雪.环鸽丘脑听区传入神经投射的研究[J].动物学报,1997,43(2):146-150.
作者姓名:左明雪
作者单位:北京师范大学生物学系
摘    要:应用神经示踪物PHAL和BDA对环鸽丘脑听区的传入神经投射进行了研究。结果发现中脑外侧核背部和丘间核交界内缘区的神经元发出纤维投射至丘脑卵形核周围形成卵形壳;尾部Ov壳和Ov交界面区域接受前峡核浅区的投射;尾部Ov壳不但接受ICM神经元的传出投射,而且有神经发出的传出纤维参与了Ov壳的形成。

关 键 词:鸟纲  环鸽  丘脑  卵形核  传入神经

THE AFFERENT PROJECTIONS OF THE AUDITORY AREAS OF THALAMUS IN RING DOVE
ZUO Ming,Xue.THE AFFERENT PROJECTIONS OF THE AUDITORY AREAS OF THALAMUS IN RING DOVE[J].Acta Zoologica Sinica,1997,43(2):146-150.
Authors:ZUO Ming  Xue
Abstract:The afferent projections of the auditory areas of thalamus in ring dove (Streptopelia risoria) were studied by using anterograde phaseolus vulgaris leucoagglutinin(PHAL) injections, and retrograde and anterograde Biotinylated Dextran Amine (BDA) injections. The results showed that the region surrounding the nucleus ovoidalis (Ov), which we term the Ov shell, received two afferent projections. The first afferent projection was distributed along the interface zone of nucleus mesencephalicus lateralis, pars dorsalis (MLd) and nucleus intercollicularis (ICo), the medial margin of the inferior colliculus (ICM). Another projection was originated from the neurons in the caudal Ov shell, as revealed with PHAL and BDA. Injections of BDA into the interface region between Ov and caudal Ov shell labeled neurons within core nucleus of the preisthmic superficial area (Sc); many labeled neurons were also found in tractus nuclei ovoidalis (TOv), formatio reticularis lateralis mesencephali (FRL) and dorsal nucleus of lateral leminiscus, pars ventralis (LLDv) following the injections of BDA into the caudal Ov shell.
Keywords:Ring dove  Nucleus ovoidalis  PHAL  BDA  labeling
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