Bulletin of Experimental Biology and Medicine

, Volume 52, Issue 6, pp 1395–1398 | Cite as

Reflexes from the receptors of a rabbit's ear vessels evoked by sodium nitrite and platyphylline and the mode of their realization

  • S. A. Mirzoyan
  • T. G. Movsesyan


The authors have demonstrated that blood vessels of a rabbit ear represent a reflexogenic, mainly depressor zone capable of changing the blood pressure and respiration level. This has made it possible to suggest this as a model for analyzing the reflex action of some pharmacological agents and for studying certain problems in the mechanisms of peripheral blood vessel interoception. Experimental investigations demonstrated that sodium nitrite and platyphilline were capable of producing a reflex effect on the circulation and respiration. The afferent impulsation occurring in the chemoreceptor stimulation is effected along the posterior root's sensory innervation. The efferent paths of the depressor reflex are located in the spinal cord and their impulses (during stimulation of the ear vessel receptors) are transmitted to the vascular system through the spinal conductive paths.


Spinal Cord Vascular System Pharmacological Agent Reflex Action Conductive Path 
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Copyright information

© Consultants Bureau Enterprises, Inc. 1962

Authors and Affiliations

  • S. A. Mirzoyan
    • 1
  • T. G. Movsesyan
    • 1
  1. 1.Department of Pharmacology of the Erevan Medical InstituteErevanUSSR

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