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  • Title: [Intravital microscopic studies of the pial vessels in the animal experiment].
    Author: Auer L.
    Journal: Zentralbl Neurochir; 1977; 38(2):175-84. PubMed ID: 607707.
    Abstract:
    In cats, a direct observation of the brain surface was made possible by fenestration. The pial vessels were observed by means of intravital incident-light microscopy. Particular attention was paid to blood pressure, blood pH, pCO2 and pO2. Mainly with diffuse vasodilation (hypotension) the capillaries stood out as a close network. Normally, interarterial anastomoses were rarer than intravenous ones. Arteriovenous anastomoses were not found. The interarterial blood column rarely came to a standstill, the intervenously this was observed frequently. Two kinds of intervenous anastomoses were found: short connections between veins running close to each other and long venules between vessels of different outflow systems.
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