What is a blood smear?
A blood film (or peripheral blood smear) is a thin layer of blood applied to a glass microscope slide and then stained in such a way that various blood cells can be examined under a microscope.
What does a blood smear do?
Blood smears are often used as Follow-up tests for abnormal complete blood count (CBC) results to evaluate different types of blood cells. It can be used to help diagnose and/or monitor a variety of diseases that affect blood cell populations.
What causes a blood smear?
These exceptions are usually caused by mineral or vitamin deficiency, but they can also be caused by genetic disorders such as sickle cell anemia. White blood cells are an integral part of your body’s immune system, a network of tissues and cells that help your body fight infection.
What is a human blood smear?
blood smear is Blood samples tested on specially treated glass slides. For a blood smear test, a laboratory professional examines the slide under a microscope and looks at the size, shape, and number of different types of blood cells.
How do you perform a blood smear test?
- Place a clean glass slide on a flat surface. Add a small drop of blood to one end.
- Take another clean glass slide, hold it at an angle of about 45 degrees, and touch the blood with one end of the slide, allowing the blood to flow along the edge of the slide by capillary action. …
- 2 smears are made, air-dried, and clearly marked.
Making and staining blood smears
https://www.youtube.com/watch?v=nbRUiWl2Qrs
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