Medical Definition of excoriation. 1: the act of abrading or wearing off the skin chafing and excoriation of the skin.
malaria. noun. 1  An infectious disease characterized by cycles of chills, fever, and sweating, caused by a protozoan of the genus Plasmodium in red blood cells, which is transmitted to humans by the bite of an infected female anopheles mosquito.
Plasmodium falciparum is a protozoan parasite that causes an infectious disease known as malaria. P. falciparum is the most severe strain of the malaria species correlated with almost every malarial death.[1] The other 3 species that cause malaria include: P. vivax, P. ovale, and P. malariae.. falciparum is the most severe strain of the malaria species correlated with almost every malarial death. [1] The other 3 species that cause malaria include: P. vivax, P. ovale, and P. malariae.