microperfusion

mi·cro·per·fu·sion -pər-'fyü-zhən n an act or instance of forcing a fluid through a small organ or tissue by way of a tubule or blood vessel

mi·cro·per·fused -'fyüzd adj

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mi·cro·per·fu·sion (mi″kro-pər-fuґzhən) perfusion of a minute amount of a substance.