Microbiology Sputum analysis of an asthma patient shows Charcot Leyden crystals. From where are these crystals derived from: A Macrophages B Eosinophils C Basophils D Neutrophils 💡 Explanation Sputum analysis of an asthma patient shows Charcot Leyden crystals. From where are these crystals derived from: ✓ Correct Answer: B. Eosinophils