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  • Title: [Effect of gravitational loads and hypokinesia on the structure of the blood vessels of the tongue in the rabbit].
    Author: Lapenkova IZ.
    Journal: Arkh Anat Gistol Embriol; 1975 Oct; 69(10):55-61. PubMed ID: 1191062.
    Abstract:
    The vessels of the tongue were studied in 120 rabbits in 5 series of experiments methods of injection, clearing, rentgenography, silver nitrate impregnation after V. V. Kuprijanov and a histological method. The animals were rotated in a centrifuge with a 1 m radius. For hypokinesia the animals were placed in small cages. Gravitation stress mainly caused changes in the capillary-venous part of the circulatory bed (dilatation of vessels). Under conditions of hypokinesia morphological changes were most pronounced in terminal portions of the arterial part of the bed, arterioles and precapillaries. Successive exposure to both factors caused no specific changes. Preliminary training to stressess failed to prevent the appearance of considerable morphological changes in blood vessels of the tongue.
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