Blood group test showing reactions between blood types and antibody sera. 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. AB blood has no antibodies, but has both A and B antigens on its cells. Type O blood has both antibodies but no antigens. The blood type is identified by adding an antibody serum containing either only anti-A, only anti-B or both anti-A and anti-B. Identifying the blood type prevents patients from having fatal immune responses when receiving donated blood. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Beckmann, Daniela |
Bildgröße: | 5184 px × 3456 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |