malarial parasites; plasmodium; single-celled organisms that live as parasites in humans and other vertebrates and are the cause of malaria

genus of protozoan parasites responsible for the disease leishmaniasis, typically spread by sandflies

The species of protozoan parasite that causes the most severe form of malaria in humans

A single-celled organism (protozoan) that lives as a parasite inside humans or animals and causes disease; also referred to as [[原虫|原蟲|yuan2 chong2]]

Single-celled organism with no fixed shape that moves and feeds using pseudopods; same as [[变形虫|變形蟲|bian4 xing2 chong2]]