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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.
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Anticoagulant produced by mast cells -
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The correct answer is  Ans. is 'd' i.e., Heparin Mast cells Mast cells are bone marrow derived cells. They are found predominantly near blood vessels and nerves and in subepithelial sites, where local immediate hypersensitivity reaction tend to occur. Mast cells have cytoplasmic membrane-bound granules that contain a variety of biologically active mediators. These granules are referred as metachromatic granules. Mast cells are central to the development of immediate hypersensitivity.