Malarial pigment is formed by:
Correct Answer: Hemoglobin
Description: Ans. is 'c' i.e., Hemoglobin(Ref: Parasitology, Panicker, 6th/e, p. 71)* The malarial parasite (plasmodium) feeds on the haemoglobin of the erythrocyte. Haematin globin pigment - Haemoglobin left behind as a residue after metabolism of parasite.* These iron containing pigments formed from haemoglobin accumulate in the body of the parasite as dark granules, which becomes more prominent, as the parasite grows.* The appearance of malaria pigments varies in the different species.# P. vivax - Yellowish brown# P. falciparum - Dark brown# P. malariae - Dark brown# P. ovale - Yellowish brownNote: The malaria pigment released when the parasitized cells rupture is taken up by reticuloendothelial cells. Such pigment laden cells in the internal organs provide histological evidence of previous malarial infection.
Category:
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