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  • Title: [Chemosensitive structures of the medulla oblongata participate in blood pressure regulation and belong to APUD-system].
    Author: Peskov BIa, Kvetnoĭ IM, Kul'chitskiĭ VA, Nurmatov AA.
    Journal: Biull Eksp Biol Med; 1982 Sep; 94(9):8-10. PubMed ID: 6129011.
    Abstract:
    It was shown in 25 experiments on anesthetized spontaneously breathing and immobilized artificially ventilated cats that the cooling of the intermediate chemosensitive area of the ventral surface of medulla oblongata to 20-22 degrees C is followed by depressor reaction that is more pronounced after preliminary occlusion of the sinocarotid and vagus nerves. Two types of apudocytes were revealed in this brain area with the use of the histochemical and immunohistochemical techniques. The first type cells are typically nervous and contain noradrenaline. The second type apudocytes adjacent to the microvascular wall showed melatonin and its precursors. It is assumed that the cells detected participate in the arterial pressure control.
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