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视网膜微循环血流量由神经递质、激素、代谢因素、肌源性和内皮源性因素调节。内皮细胞作为循环血液和血管平滑肌细胞之间的屏障,在调节血管张力、血流速度中起着极其重要的作用。近年研究发现,血管内皮细胞释放的一氧化氮(nitric oxide,NO)和内皮素-1(endothelin-1,ET-1)也参
Retinal microcirculation Blood flow is regulated by neurotransmitters, hormones, metabolic factors, myogenic and endogenous factors. As a barrier between circulating blood and vascular smooth muscle cells, endothelial cells play an extremely important role in regulating vascular tone and blood flow velocity. Recent studies have found that nitric oxide (NO) and endothelin-1 (ET-1) released by vascular endothelial cells are also