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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
In acute inflammation, excessive fluid seepage occurs due to increased permeability of?
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The correct answer is  Postcapillary venules are an important point of interchange between the Lumen of the vessels and the surrounding tissue. Moreover, both vascular leakage and Leukocyte exudation occur preferentially in venules in many types of inflammation.
Increased vascular permeability is the hallmark of acute inflammation.