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  • Title: Microvascularization of the pleura in rats and guinea pigs.
    Author: Aharinejad S, Lametschwandtner A, Böck P, Franz P.
    Journal: Scanning Microsc; 1991 Dec; 5(4):1097-102; discussion 1102-3. PubMed ID: 1822031.
    Abstract:
    The microvascularization of the visceral and parietal pleura was studied in rats and guinea pigs using vascular corrosion casts and scanning electron microscopy. The visceral pleura was shown to be devoid of a vascular bed of its own. The capillary meshwork observed on the surface of the lung belongs to the pulmonary parenchyma. The parietal pleura, by contrast, possesses its own capillary network with an appropriate arterial supply and a venous drainage. The parietal pleural capillaries cover the costal regions completely, whereas the intercostal spaces are only provided by interspersed small patches of capillaries. That the feeding arteries of the parietal pleura are connected to the systemic circulatory system, supports the well-known fact that the parietal pleura is the main site for production of pleural fluid.
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