Plasmodium malariae: Blood Stage Parasites
Thin Blood Smears

Fig. 1: Normal red cell; Figs. 2-5: Young trophozoites (rings); Figs. 6-13: Trophozoites; Figs. 14-22: Schizonts; Fig. 23: Developing gametocyte; Fig. 24: Macrogametocyte (female); Fig. 25:  Microgametocyte (male).
Illustration from: Coatney GR, Collins WE, Warren M, Contacos PG. The Primate Malarias. Bethesda: U.S. Department of Health, Education and Welfare; 1971.

Thick Blood Smears

Illustration from: Wilcox A. Manual for the Microscopical Diagnosis of Malaria in Man. Washington: U.S. Department of Health, Education and Welfare; 1960.