魚類の炎症急性期における血管の形態と透過性亢進〔魚類の炎症に関する研究-1-〕

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The acute inflammatory responses in the pectoal fin of carp were observed by histological method, with special reference to vascular changes. In inflammation initiated by formalin injection, the venular dilatation and the swelling caused by acute increase in venular permeability occurred immediately after injury. In croton oil inflammation, similar responses were observed, but the changes were considerably delayed. Correlation between the increased permeability and altered vascular structure was investigated by injecting marker particles of colloidal carbon intervascularly to formalin inflamed fish. Light microscopically it was observed that carbon particles were attached to inner surface of dilated venules. Electron microscopy revealed that gaps were formed at the junctions between adjacent endothelial cells, and carbon particles gathered at these gaps. Exudation by increased permeability occurred through these gaps of venules, but not capillaries. These responses were basically similar to those of mammals.
日本水産學會の論文