''Gametogony'', which is sexual division occurs endogenously, namely in the intestinal cells. Merozoites then form either microgamonts (male) or macrogamonts (female). Invasion of macrogametocytes containing cells by microgametocytes leads to fertilization, and the cycle continues. | ''Gametogony'', which is sexual division occurs endogenously, namely in the intestinal cells. Merozoites then form either microgamonts (male) or macrogamonts (female). Invasion of macrogametocytes containing cells by microgametocytes leads to fertilization, and the cycle continues. |