Trypanosoma brucei brucei
T. brucei is the causative of sleeping sickness in humans and is transferred by its vector the tsetse fly (Glossina morsitans). The cells have a mainly a two-stadium life. Living in the flies and in blood system of its host. Trypanosomes are a group of kinetoplastid protozoa distinguished by having only a single flagellum. All members of kinteoplastid protozoa are exclusively parasitic. All single-cell organisms achieved to maintain the basic life functions within a small space, which renders them as interesting as difficult object for ultrastructural investigation and interpretation.
Flagela cross section of chemically fixed, epon embedded T. brucei