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  • Title: [The effect of the structures of the ventral medulla oblongata on the hemodynamics and transcapillary fluid exchange in the lungs].
    Author: Vishnevskiĭ AA, Tkachenko BI.
    Journal: Biull Eksp Biol Med; 1993 Dec; 116(12):563-6. PubMed ID: 8123799.
    Abstract:
    Pulmonary arteries and veins reacted by constriction to electric activation of rostrally located medulla oblongata ventral structures (lateral paragiant-cell nucleus area) in acute cat experiments. In contrast to this, electric stimulation of medulla oblongata caudal ventral structures induced dilatation of lesser circulation vessels. Counter-phase changes in parameters characterizing pulmonary microhemodynamics (capillary hydrostatic pressure, capillary filtration index) in response to electric stimulation of the studied brain structures permit a conclusion on the high homeostatic parameters of pulmonary microcirculation when maintaining ventilation perfusion relationships.
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