Blood smear
Stained blood on microscope slide / From Wikipedia, the free encyclopedia
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This article is about the microscope slide. For films named Blood or similar, see Blood (disambiguation) § Films. For films with excessive blood and gore, see slasher film.
A blood smear, peripheral blood smear or blood film is a thin layer of blood smeared on a glass microscope slide and then stained in such a way as to allow the various blood cells to be examined microscopically. Blood smears are examined in the investigation of hematological (blood) disorders and are routinely employed to look for blood parasites, such as those of malaria and filariasis.