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Malaria
[Plasmodium falciparum] [Plasmodium malariae]
[Plasmodium ovale] [Plasmodium vivax]

Plasmodium malariae: Schizonts

Smears from patients:

Plasmodium malariae schizonts have 6 to 12 merozoites with large nuclei, clustered around a mass of coarse, dark-brown pigment.  Merozoites can occasionally be arranged as a rosette pattern.  The red blood cells (RBCs) are normal to smaller than normal (3/4 ×) in size.

Schizonts of P. malariae in a thin blood smear. Schizonts of P. malariae in a thin blood smear. Schizonts of P. malariae in a thin blood smear.
A B C

A, B, C: Schizonts of P. malariae in thin blood smears.  C has the appearance of a rosette pattern.

Schizonts of P. malariae in a thick blood smear.
D

D: Thick blood smear showing a schizont.
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