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

Gametocytes of P. malariae are compact and tend to fill the host RBC.  There is no enlargement of the infected RBC and sometimes there is a reduction in size.  The cytoplasm stains blue and the chromatin pink to red.  Abundant dark pigment may be scattered throughout the cytoplasm.

Plasmodium gametocyte in thick blood smear Plasmodium gametocyte in thick blood smear
A B

A, B: Gametocytes of P. malariae in thick blood smears.

Plasmodium gametocyte in thin blood smear Plasmodium gametocyte in thin blood smear
C D

C, D: Gametocytes of P. malariae in thin blood smears.

Plasmodium gametocyte in thin blood smear Plasmodium gametocyte in thin blood smear
E F

E, F: Developing gametocytes of P. malariae in thin blood smears.

 

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