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  • Title: [Changes in the mesenteric microcirculation of rats in acute hypoxic hypoxia].
    Author: Ibragimov IuI, Mirzadaeva LA.
    Journal: Biull Eksp Biol Med; 1976 Mar; 81(3):277-9. PubMed ID: 953264.
    Abstract:
    Hypoxia was induced in rats giving them to inspire gaseous mixture corresponding to an altitude of 6000 m. Arterial and venous vessels of the mesentery, from 9 to 43 mum in diameter, were studied; their diameter, blood pressure and blood flow velocity in them were measured. Arterial microvessels proved to dilate in hypoxia. The maximal increase in their diameter (by 3-5 mum) occurred during the first 3-5 min after the gaseous mixture was given to inspire. Blood pressure and blood flow velocity in these vessels decreased during the whole course of the experiment.
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