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  • Title: [The relief of the luminal surface of the sinuses in the mammalian cranial dura mater].
    Author: Krasnikov IuA, Mironov AA.
    Journal: Arkh Anat Gistol Embriol; 1991; 101(9-10):33-8. PubMed ID: 1845512.
    Abstract:
    In Mammalia with different types in organization of blood outflow in the dura mater venous sinuses: vertebral (tiger), jugular (fur-seal, cat, rabbit) and mixed (rat, dog, man) the internal surface relief of these sinuses has been studied. The total plan of the relief in all the species studied is principally the same. It is characterized with presence of visually determined macro-relief structures: Pacchionian bodies, trabeculae, bars, eminences and excavations in places, where the sinuses fuse, initial folds (micro-relief) and, at last, formations composed by the nucleus and the external membrane of endotheliocytes (ultra-relief). The micro-relief depends on the type of the venous outflow from the brain. In the animals with the jugular type of the outflow the longitudinal folds are more expressed; in the animals with the vertebral type--there occur folds with transversal orientation. For the representatives with the mixed type--multilayered elastic carcass is specific. At the same time, the development degree of the micro-relief with a similar type of blood outflow is different. The relief of the luminal surface of the longitudinal venous sinus of the mammalian dura mater is supposed to be determined by presence of extravascular formations, by the muscular structures tonus, by construction of the wall elastic carcass and by activity of the luminal part of the external membrane of endotheliocytes.
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