MorphologyMorphologyМорфология1026-35432949-2556Eco-Vector40246210.17816/morph.402462ArticlesСтатьиThe connections of the zona incerta of the dog diencephalon with the substantia nigra, the ventral tegmental area and the pedunculopon-tine tegmental nucleusСвязи неопределённой зоны промежуточного мозга собаки с чёрным веществом, вентральным покрышечным полем и ножко-мостовым ядром покрышкиGORBACHEVSKAYAA IГОРБАЧЕВСКАЯА И

Лаборатория физиологии высшей нервной деятельности; Институт физиологии им. И.П. Павлова РАН, Санкт-Петербург; RAS I.P. Pavlov Institute of Physiology, St. Petersburg

Лаборатория физиологии высшей нервной деятельности; Институт физиологии им. И.П. Павлова РАН, Санкт-Петербург

aig@infran.ruRAS I.P. Pavlov Institute of Physiology, St. PetersburgИнститут физиологии им. И.П. Павлова РАН, Санкт-Петербург150920091353NO3 (2009)№3 (2009)242810052023Copyright ©; 2009, Eco-VectorCopyright ©; 2009, Эко-Вектор2009Eco-VectorЭко-Векторhttps://j-morphology.com/1026-3543/article/view/402462

This study used the technique based on horse-radish peroxidase retrograde and anterograde transport to examine the organization of the connections of different sectors of the zona incerta (ZI) of the diencephalon with the substructures of the substantia nigra, the ventral tegmental area and the pedunculopontine tegmental nucleus of dog mesencephalon. It was found that these structures were interconnected with each other. In the organization of the projections studied, the elements were detected that suggested the possibility of the segregated conduction of the functionally various information via the established pathways. Alongside with this, the convergence of the projection fibres of the neurons of the mesencephalic nuclei substructures to ZI, described in all its sectors, together with the projections of all the ZI sectors to these neurons, indicates the possibility of the integration of functionally various information both at ZI level and at the level of mesencephalic structures studied in this work.

В работе, выполненной техникой, основанной на ретроградном и антероградном транспорте пероксидазы хрена, исследована организация связей разных секторов неопределённой зоны (ZI) промежуточного мозга с подструктурами чёрного вещества, вентрального покрышечного поля и ножко-мостового ядра покрышки среднего мозга собаки. Установлено, что эти структуры взаимосвязаны между собой. В организации изучаемых связей выявлены элементы, указывающие на возможность сегрегированного проведения функционально различной информации по установленным путям. Наряду с этим, описанная во всех секторах ZI конвергенция проекционных волокон нейронов подструктур среднемозговых ядер, а в последних также - от нейронов всех секторов ZI, свидетельствует о возможности интеграции функционально различной информации как на уровне ZI, так и на уровне исследуемых в настоящей работе структур среднего мозга.

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