[Regulatory characteristics of the different components of the mesenteric microcirculatory bed in rats].

Heterogeneous tonic reactions of the different parts of the mesentery microcirculatory bed to intravenous infusions of noradrenaline and their cessation were revealed. It is assumed that venules play a more important role in the organization of blood circulation in the capillaries and arteriolo-venular anastomoses than arterioles.