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, Volume 11, Issue 1–2, pp 119–122 | Cite as

The influence of H1- and H2-receptor blockade on responses of resistance and capacitance vessels to noradrenaline in working skeletal muscles in cats

  • H. Janczewska
  • S. Maslinski
Histamine and the Cardiovascular System
  • 11 Downloads

Abstract

The effects of an H1- and H2-histamine receptor blockade upon the responses to noradrenaline (NA) of pre-and post-capillary segments of the microcirculation of the hind leg of cats were investigated. The responses of the resistance and capacitance vessels to noradrenaline injected in the coll. of femoral artery were reflected as changes in peripheral vascular resistance and in tissue volume respectively and determined during and following exercise before and after the H1 and H2-histamine receptor blockade. Muscular exercise was induced by sciatic nerve stimulation. The results show that H1- and H2-histamine receptor blockade applied together unmasked the vasodilator effect of NA and that muscle exercise potentiated these effects in both pre- and post-capillary sections. This suggests that histamine may inhibit the response of the resistance and capacitance vessels in the working skeletal muscles to noradrenaline.

Keywords

Skeletal Muscle Histamine Noradrenaline Femoral Artery Vascular Resistance 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Birkhäuser Verlag 1981

Authors and Affiliations

  • H. Janczewska
    • 1
  • S. Maslinski
    • 1
  1. 1.Department of Human Physiology and Laboratory of Biogenic AminesInstitute of Physiological SciencesWarsawPoland

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