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Autonomic nervous system and functional arteriopathies of the extremities Yoshio MISHIMA 1 , Shigenobu OOHASHI 1 11sh Department of Surgery, Faculty of Medicine, University of Tokyo pp.299-306
Published Date 1976/4/10
DOI https://doi.org/10.11477/mf.1431903837
  • Abstract
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Blood vessels in the skin of the hand are in-nervated by sympathetic vasoconstrictor fibers. Alteration in the activity of these fibers permits large changes in blood flow. Indeed, the flow to the distal parts of the extremities is mainly deter-mined by reflex changes in vessel tone. Over-activity in the sympathetic nervous tone or hyper-sensitivity of the arteries and arterioles to normal sympathetic stimulation may make intermittent or permanent ischemia of the extremities due to spasm of the tiny arteries and arterioles without organiz-ed occlusions.


Copyright © 1976, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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