Figure 5.17 (a) This illustration of aEuglenashows the characteristic structures, such as the stigma and flagellum.
(b) The pellicle, under the cell membrane, gives the cell its distinctive shape and is visible in this image as delicate
parallel striations over the surface of the entire cell (especially visible over the grey contractile vacuole). (credit a:
modification of work by Claudio Miklos; credit b: modification of work by David Shykind)
Figure 5.18 Trypanosoma brucei, the causative agent of African trypanosomiasis, spends part of its life cycle in the
tsetse fly and part in humans.
198 Chapter 5 | The Eukaryotes of Microbiology
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