疟疾病人外周血涂片,
此为间日疟原虫感染。箭头所指为红细胞内的环形疟原虫。涂片上另外三个红细胞也被环状滋养体感染，在左边远处为配子体。
This peripheral blood smear comes from a patient with malaria. This infection happens to be with Plasmodium vivax. At the arrow on the left is a RBC with a malarial parasite in the shape of a ring. Three other RBC's in this smear are also infected with a ring trophozoite. At the far left is a gametocyte of this species.
