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Why is it necessary to prepare a thin blood film?

Ncert solutions for Class 11th Biology Lab Manual Chapter 5 Exercise 5 Question 4


It will help the doctors to know about the percentage of red blood cells infected. The thin blood is necessary for good staining and cellular differentiation.
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 blood film or peripheral blood smear is a thin layer of blood smeared on a microscope slide and then stained in such a way to allow the various blood cells to be examined microscopically. Blood films are usually examined to investigate hematological problems (disorders of the blood) and, occasionally, to look for parasites within the blood such as malaria and filaria.
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