LAB Notes 💉🔬📖

*A - THIN SMEAR* This is the shape we get when we spread a small drop of blood at a 45-degree angle. Notice that the color is pale and transparent, spread over a large area of the slide. This is done so the cells form a single layer. We use it to examine cell morphology and do a differential count under the microscope. *B - THICK SMEAR* This is a large drop of blood left concentrated in the middle without spreading. It’s dark red, thick, and not transparent. The goal is to concentrate the blood in a small area so we can easily find parasites even if they are very few, like in malaria or Microfilaria. *The difference you can see with the naked eye:* Thin = spread out, light, pale pink color. Thick = concentrated, dark, deep red color. After that, both slides are fixed and stained with Giemsa stain, then examined.

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