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

Plasmodium ovale: Schizonts

Smears from patients:

Plasmodium ovale schizonts have 6 to 14 merozoites with large nuclei, clustered around mass of dark-brown pigment.  Red blood cells (RBCs) are normal to slightly enlarged (1 1/4 ×), may be round to oval, and are sometimes fimbriated.  Schüffner's dots are visible under optimal conditions.

A	B	C

A, B, C: Schizonts of P. ovale in thin blood smears.  All of these infected blood cells are oval.  A and C have minor fimbriation.

D

D: Schizont in a thick blood smear.