Immune System Vocabulary

These cause infectious diseases

• Cancer

• Antibodies

• Pathogen

• Allergies

a "Y" shaped protein molecule that recognizes foreign substances and bonds with specific antigens.

• Antibodies

• Plasma B Cell

• Virus

• Antigen

Signals the production of antibodies; it is a marker on the surface of cells.

• Antibody

• Antigen

• Leukocyte

• Virus

a substance that causes an immune response, producing immunity without illness or infection

• pathogen

• phagocyte

• B cell

• vaccine

Specialized white blood cell that contributes to immunity by acting quickly to a foreign substance (something that should not be there) that infected the body sometime in the past as well [It REMEMBERS!]

• B cell

• T cell

• memory cell

• pathogen

Immunity that happens without the body going through an immune response, such as in genetic immunity (example: the virus makes dogs sick but not people) and inherited immunity (example: unborn baby received antibodies from Mom through the umbilical cord)

• passive immunity

• active immunity

• specific immunity

• allergy

body system that fights off infections

• cardiovascular system

• nervous system

• immune system

• antigen system

protein that helps the immune system identify foreign substances (substances that should not be there)

• antibody

• antigen

• B cell

• pathogen

immunity that occurs in response to a specific pathogen that has infected or is infecting your body

• passive immunity

• active immunity

• immune system

• vector

What is the function of antibodies within the immune system?

• Antibodies kill off any antigen that enters the body.

• Antibodies are only made when you are given a vaccination for specific antigens.

• Antibodies bind to specific antigens to flag for destruction.

• Antibodies are part of an external defense mechanism.