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  4. Haemozoin is a toxic substance released upon which of the following events?

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Q. Haemozoin is a toxic substance released upon which of the following events?

NTA AbhyasNTA Abhyas 2022

Solution:

The Plasmodium species during malarial formation, metabolize hemoglobin and other RBC proteins to create a toxic pigment called hemozoin. Haemozoin is a waste product formed when the parasite digests the blood. The parasite digests the hemoglobin of the blood and release high quantities of free heme. This heme released is a non-protein component of hemoglobin. The haemozoin is, therefore, a product of the erythrocyte lysis released from the food vacuole into circulation.