Schematic representations of malaria parasites

Trophozoites
left young, right old
Schizonts
left immature, right mature
Gametocytes
left male, right female
Plasmodium ovale
Plasmodium vivax
Plasmodium malariae
Plasmodium falciparum

Graphics by W.Hess, University of Bern (following the graphics in Leonard Jan Bruce-Chwatt, Essential Malariology)