Difference between Antibodies and Antigen
No. |
Antibodies |
Antigen |
1. | An immunoglobulins which is produced by the immune system and can be found in the blood in response of an antigen or foreign substance is referred as Antibodies. | Any substance which activates immune system for the production of antibodies in the body is known as Antigen. |
2. | Surface of plasma cells contain antibodies and in body fluids. | Surface of microorganisms contain antigen. |
3. | Antibody is a protein molecule. | Antigen is also a protein molecule but it can be a polypeptide, other substance and complex lipid. |
4. | Antibody is a glycoprotein and also known as immunoglobulins. | Antigen may be carbohydrate, lipids or nucleic acid, protein and also known as immunogens. |
5. | Antibodies mainly protect the body. | Antigen mainly causes disease or allergic reaction in the body. |
6. | Antibodies are divided into four types and are IgG, IgM, IgA, IgD and IgA. | Antigen is divide into four types and are endogenous antigens, autoantigens, neoantigens and exogenous antigens. |