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BLOOD SUPPLY OF SPINAL GANGLIA IN OLD DOGS

Authors: Білоус, O.;

BLOOD SUPPLY OF SPINAL GANGLIA IN OLD DOGS

Abstract

У пізньому періоді постнатального розвитку у спинно-мозкових гангліях собак спостерігається зменшення кількості нервових клітин, об'єму світлих і темних клітин, зростання в них показника ядерно-цитоплазматичного співвідношення. Навколо нейронів зменшується кількість гліальних клітин і площа капілярного русла. На субмікроскопічному рівні спостерігаються деструктивні зміни навкологліальних і капілярних базальних мембран, ядер і цитоплазматичних органел нейронів, гліоцитів і ендотеліальних клітин капілярів, всіх мембранних структур, які входять до складу гематонейронального бар'єру.

В позднем периоде постнатального развития в спинно-мозговых ганглиях собак наблюдается уменьшение количества нервоных клеток, объема светлых и темных клеток, рост в них показателя ядерно-цитоплазматического соотношения. Вокруг нейронов уменьшается количество глиальных клеток и площадь капиллярного русла. На субмикроскопическом уровне наблюдаются деструктивные изменения окологлиальных и капиллярных базальных мембран, ядер и цитоплазматических органелл нейронов, глиоцитов и эндотелиальных клеток капилляров, всех мембранных структур, входящих в состав гематонейронального барьера.

A decrease of the number of nerve cells, the volume of light nerve cells, an elevation of the nuclear-cytoplasmatic ratio index inthe nerve cells are observed during the late postnatal period. The number of glial cells and the capillary bed area diminishes around the neurons. Destructive changes of the periglial and capillary basal membranes, nuclei and cytoplasmatic neuron organelles, glyocytes and endothelial cells of the capillaries, all the membraneous structures, making up the composition of thehemato-neuronal barrier are observed at the submicroscopic level.

Keywords

спинальний ганглій; світлий нейрон; темний нейрон; гліоцит; капіляр; онтогенез, спинальный ганглий; светлый нейрон; темный нейрон; глиоцит; капилляр; онтогенез, spinal ganglion; light neurone; dark neurone; gliocyte; capillary; ontogenesis

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold