Why does an over-tightened toe turn purple?

constriction complicates the outflow of blood through the veins and lymph through the lymphatic vessels. The expansion of blood capillaries and veins leads to redness, then the finger turns purple, and then white due to the release of blood plasma into the intercellular spaces. As a result, blood pressure increases, there is no outflow of blood, and the outflow of lymph through the lymphatic vessels is also blocked.



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