Blood group test

Blood group test

M530/0657

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Caption

Blood group test showing a reaction between a blood type and an antibody serum. There are four human blood types: A, B, AB and O. Type A blood has type A antigens (surface proteins) on its red blood cells and anti-B antibodies (proteins that bind to type B antigens) in its serum. Type B blood is the reverse. Mixing type A blood with a serum containing anti-A antigens causes an agglutination reaction, where the red blood cells become bound together in clumps by the antibodies (dense red particles). AB blood has no antibodies, but has both A and B antigens on its cells. Type O blood has both antibodies but no antigens. Identifying the blood type prevents patients from having dangerous immune system reactions when receiving donated blood.

Release details

Model release not required. Property release not required.

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