Buffy coat
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Buffy Coat
The Buffy Coat (pronounced: /ˈbʌfi koʊt/) is a thin layer of leukocytes (white blood cells) and platelets that forms between the plasma and red blood cells in a sample of anticoagulated blood that has been centrifuged.
Etymology
The term "Buffy Coat" is derived from the characteristic buff-colored appearance of this layer in a centrifuged blood sample. The color is due to the high concentration of white blood cells and platelets.
Related Terms
- Leukocytes: Also known as white blood cells, these are the cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders.
- Platelets: Small, colorless cell fragments in our blood that form clots and stop or prevent bleeding.
- Plasma: The liquid component of blood, in which the blood cells are suspended.
- Red Blood Cells: Also known as erythrocytes, these are the most common type of blood cell and the principal means of delivering oxygen to body tissues.
- Anticoagulated Blood: Blood that has been treated with an anticoagulant to prevent clotting.
- Centrifugation: A process that involves the use of the centrifugal force for the sedimentation of heterogeneous mixtures with a centrifuge.
External links
- Medical encyclopedia article on Buffy coat
- Wikipedia's article - Buffy coat
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