Antigen
an·ti·gen/ˈantijən/Noun:A toxin or other foreign substance that induces an immune response in the body, esp. the production of antibodies.antigens
antigens
Antigen
A foreign substance is a substance that doesn't belong somewhere. A piece of glass or splinter is a foreign substance that people get in their body.
A foreign substance is a substance that doesn't belong somewhere. A piece of glass or splinter is a foreign substance that people get in their body.
A foreign material that invades the body is called an antigen. Examples of antigens are bacteria, dust particles, viruses and toxins.
lymphokine
Antigen
pathogen
antigen- any substance the body regards as foreign
The body usually forms antibodies in response to invasion by a foreign material.
A heterologous protein; however, any abnormal substance (bacteria, viruses, cancer cells) in the body is called an antigen
When a foreign substance enters the body.