Effect of mesotocin on thyroid gland of the frogRana temporaria |
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| Authors: | I V Romanova M V Glazova |
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| Institution: | (1) Sechenov Institute of Evolutionary Physiology and Biochemistry, Russian Academy of Sciences, St. Petersburg, Russia |
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| Abstract: | The thyroid gland was studied in intact and hypophysectomized (10 and 60 days before the experiment), sexually mature male
frogsRana temporaria after three injections of mesotocin at 30-min intervals (a dose of each injection was 5 ng/g body weight). As determined
morphologically, height of the thyrocytes was statistically significantly decreased in intact frogs, while no statistically
significant changed were revealed in hypophysectomized animals. The data obtained indicate that at stress responses in frogs,
mesotocin can affect the thyroid gland via adenopituitary rather than via general circulation, i.e., by an indirect way. |
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