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What is Heart failure cells are? and explain in detail?
Ans. is 'b' i.e., Macrophages o Heart failure cells are Hemosiderin laden alveolar macrophages.o Heart failure cells are a manifestation of pulmonary congestion and edema (as seen in heart failure)o Pulmonary edema & pulmonary infarction can be differentiated by the presence of heart failure cells in pulmonary edema.