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Tumor microcirculation was studied in Sprague-Dawley rats with solitary intrahepatic implants of Walker carcinosarcoma tumors. Thioflavine S (TS), a fluorescent dye that stains capillary endothelium acutely, was injected intraportally or intra-arterially in order to demonstrate patterns of blood flow through normal liver tissue and through tumor. The dye(More)
Laser Doppler capillary perfusion monitoring was performed in 25 Sprague-Dawley rats with solitary intrahepatic implants of Walker carcinosarcomas. Doses of intraportal epinephrine from 1 to 10 micrograms produced an immediate rise in capillary blood flow, reaching peak levels by 16 s. The increased flow lasted an average of 57 s. Because epinephrine(More)
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