Why the study?
Are reflex effects of changes in whole body skin temperature on cutaneous vasculature mediated through the vasoconstrictor or active vasodilator arm of the sympathetic nervous system?
Population
6 human subjects
Comparison
Changes in whole body skin temperature using a… vs Control site vs bretylium-treated site
Authors
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Supports vasoconstrictor withdrawal as mediator of resting cutaneous vasodilation with skin warming; leaves open active vasodilator contribution during hyperthermia or exercise.
Are reflex effects of changes in whole body skin temperature on cutaneous vasculature mediated through the vasoconstrictor or active vasodilator arm of the sympathetic nervous system?
At rest with normal internal temperature, reflex effects of raising skin temperature on skin blood flow are mediated through vasoconstrictor withdrawal rather than active vasodilation.
Pérgola et al. (1994) studied this question.
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