РЕАКТИВНОСТЬ ГИПОТАЛАМО – ГИПОФИЗАРНО - НЕЙРОСЕКРЕТОРНОЙ СИСТЕМЫ У КРЫС ПРИ ХРОНИЧЕСКОМ ФИЗИЧЕСКОМ АНАЭРОБНОМ НАПРЯЖЕНИИ
Ключевые слова:
Смешанная нагрузка, гипоталамус, гипофиз, плавание, супрооптическое ядро, паравентрикулярное ядро.Аннотация
У животных при хронической плавательной нагрузкой с грузом 15% от массы тела крыс наблюдалась более короткая продолжительность плавания по сравнению с нагрузкой в 7,5% и 10%. По сравнению с показателями при смешанной нагрузке в гипоталамо-гипофизарной нейросекреторной системе, отмечается высокая функциональная активность в НСК СОЯ и ПВЯ, повышение уровня нейросекреторного вещества (НСВ) в этих ядрах, а также заметное снижение количества НСВ в нейрогипофизе (НГ) на 3-м месяце хронического плавания по сравнению по сравнению с аэробными, смешанными, нагрузками. Т. е. в зависимости от степени хронического напряжения наблюдалось увеличение морфофункциональной активности НСК в СОЯ и ПВЯ, срединном возвышении и нерогипофизе.
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