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  • Title: [Role of alpha- and beta-adrenoreceptors in the formation of shifts in the vascular function of the intestine during acute cooling of the body].
    Author: Shabaev RR, Kudriashov IuA.
    Journal: Fiziol Zh SSSR Im I M Sechenova; 1986 Sep; 72(9):1294-300. PubMed ID: 3781058.
    Abstract:
    The 1st phase of acute cooling of cats from 37 degrees C to 25 degrees C characterized by an increase of the integral, pre- and postcapillary resistance of the small intestine vascular bed as well as the capillary pressure, revealed a greater role of the alpha-adrenoreceptors in the resistance, capacitance and exchange functions of the vascular bed, whereas the 2nd phase with its diminishing of the above parameters involved rather the beta-adrenoreceptors of the vessels. Blockade of the beta-adrenoreceptors led to a greater reduction of capillary filtration coefficient. Adrenergic mechanisms of the vascular functions control in hypothermia, are discussed.
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