Final answer:
Vasodilation and increased vascular permeability are crucial elements in inflammation and edema.
Explanation:
Vasodilation and increased vascular permeability are key elements of localized inflammation and edema. Vasodilation increases blood flow and causes redness and heat, while increased vascular permeability allows fluid leakage into tissues, leading to swelling or edema.
Upon tissue injury, inflammatory mediators like histamine trigger vasodilation, widening blood vessels. This process recruits white blood cells and allows fluid to move from blood to tissue, resulting in swelling or edema.
Therefore, vasodilation and increased vascular permeability play crucial roles in the inflammatory response and the development of edema.
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