- The extrusion of rapidly waving flagellum-like microgametes from microgametocytes; in the case of human malaria parasites, this occurs in the blood meal taken by the proper anopheline vector within a few minutes after ingestion of the infected blood by the mosquito. SYN: polymitus.
* * *ex·flag·el·la·tion (.)eks-.flaj-ə-'lā-shən n1) the casting off of cilia or flagella2) the formation of microgametes in sporozoans (as the malaria parasite) by extrusion of nuclear material into peripheral processes resembling flagellaex·flag·el·late -'flaj-ə-.lāt vi, -lat·ed; -lat·ing
* * *n.the formation and release of mature flagellated male sex cells (see microgamete) by the microgametocyte of the malarial parasite (see Plasmodium). The process, which is completed in 10-15 minutes, occurs after the microgametocytes have been transferred from a human to the stomach of a mosquito.
* * *ex·flag·el·la·tion (eks-flaj″ə-laґshən) [ex- + L. flagellum] the rapid formation in the gut of the insect vector of microgametes from the microgamont in Plasmodium and certain other sporozoan protozoa.
Medical dictionary. 2011.