Water‐immersion wrinkling is due to vasoconstriction

@article{WilderSmith2003WaterimmersionWI,
  title={Water‐immersion wrinkling is due to vasoconstriction},
  author={Einar P. V. Wilder-Smith and Adeline W L Chow},
  journal={Muscle \& Nerve},
  year={2003},
  volume={27}
}
The underlying mechanism of the water‐immersion skin wrinkling test, which is used as a test of sympathetic nerve function, remains elusive. We investigated changes of blood circulation in the hand occurring with water‐immersion wrinkling by measuring the velocity of ulnar and digital artery blood flow, and of digit skin blood flow, in healthy subjects before and during wrinkling. Wrinkling was accompanied by significant reduction in blood flow velocity in all vessels, with a maximum in digital… Expand
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