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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
a peptide that causes increased capillary permeability and edema is
assistant
The correct answer is  Although both histamine as well as bradykinin can cause edema and increase in permeability, histamine is an amine, whereas bradykinin is a peptide. Refer KDT 6/e p490