What Are White Blood Cells?
Reviewed: Dr. Gromatzky
7. Antibodies
Antibodies, which are also known as immunoglobulin, are Y shaped proteins that form an essential part of the immune system. They are released by certain white blood cells in response to certain pathogens. There are 5 known isotypes and each type performs a different function in different parts of the body.
You have probably heard of antibodies and will recognize that they are one of our key defenses against pathogens. They work by binding closely to pathogens, effectively leaving the pathogen unable to do us any harm They are effective against a range of potential threats including viruses, bacteria, and parasites.
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