Antibodies (immunoglobins) are Y-shaped proteins produced by B cells of the immune system in response to exposure to antigens. Each antibody contains a paratope which recognizes a specific epitope on an antigen, acting like a lock and ... read more
Antigen These are substances that provoke an immune response (they attack the immune system). Although a substance that induces a specific immune response is usually called an antigen, it is more appropriately called an immunogen. read more
Antigens are typically divided into self and non-self-antigens. Self-antigens, like cancer cells, form within the body. Non-self-antigens come from outside the body. They stimulate your immune system to produce more antibodies, exemplifying the difference between antigen and antibody. There are a total of 5 types of antibodies, each of which is different. read more
Antigen is an organic substance that initiates the creation of antibodies, whereas antibodies make use of the immune system to recognize and fight foreign elements. 2. There are five basic kinds of antibodies and three basic kinds of antigens. read more