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Hi all,
I understand that increasing the diameter of an axon can increase the rate of saltatory conduction due to a decrease in resistance. However, I'm confused as to why we cannot apply the same logic to blood velocity under vasoconstriction/vasodilation.
Actually, i'm just confused as to the effects of vasoconstrictin/dilation on velocity. Does vasoconstriction increase or decrease blood velocity and why?
Thanks!
I understand that increasing the diameter of an axon can increase the rate of saltatory conduction due to a decrease in resistance. However, I'm confused as to why we cannot apply the same logic to blood velocity under vasoconstriction/vasodilation.
Actually, i'm just confused as to the effects of vasoconstrictin/dilation on velocity. Does vasoconstriction increase or decrease blood velocity and why?
Thanks!