| The substance within the introduced cell which acts as a stimulus to the body cells is called an agglutinogen. |
| Situation in which the donor has the same agglutinogens on his or red blood cells as the recipient, or has no agglutinogen on his or her red blood cells. |
| Classification of blood types based on the presence or absence of an antigen or agglutinogen, Rh, on the surface of the red blood cells. |
