Parasitic Protozoan Promastigote is a photograph by Dennis Kunkel Microscopy/science Photo Library which was uploaded on September 12th, 2018.
Parasitic Protozoan Promastigote
Parasitic promastigotes that cause leishmaniosis in humans (Leishmania amazonensis), coloured scanning electron micrograph (SEM). This tropical... more
Title
Parasitic Protozoan Promastigote
Artist
Dennis Kunkel Microscopy/science Photo Library
Medium
Photograph
Description
Parasitic promastigotes that cause leishmaniosis in humans (Leishmania amazonensis), coloured scanning electron micrograph (SEM). This tropical disease is transmitted by bites from infected sand flies. They are ingested by the insect vector during a blood meal from a mammal or human. The parasites in humans are found within macrophages in the amastigote form. In the blood stream they transform into the promastigote form. Promastigotes multiple by longitudinal fission in the gut of the insect. Leishmaniosis occurs in two forms: cutaneous which affects the skin and mucous membranes, usually giving rise to an ulcer at the site of the insect bite. The more serious kala- azar causes fever and liver damage, and it can be fatal. Magnification: x800 when shortest axis printed at 25 millimetres.
Uploaded
September 12th, 2018
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