Tsetse fly


Tsetse fly (Glossina spec.). The ribbon-like T. brucei are carried in the saliva of the blood-drinking tsetse fly. The protozoa enter a human host through the wound made by the fly when it feeds. The protozoa infect the blood, lymph and spinal fluid, and begin to divide. Damage to the nervous system by the infection eventually leads to lethargy, tremors, and mental & physical deterioration. The sufferer finally enters a comatose state and dies. T. brucei is the cause of African sleeping sickness (trypanosomiasis) in humans. SEM-Magnification: 25x

Credit: Eye of Science / Science Source

Model Release: No, but may not be necessary

File Size: up to 6.8" by 6.8" (at 300dpi)

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