What It Is?

An antibody, also known as an immunoglobulin (Ig), is a large Y-shaped protein produced by the immune system to neutralize and fight foreign invaders.

Why Its Important?

Antibodies are able to identify and destroy invaders due to their ability to bind specifically to antigens, which are substances found on the surface of cells that may trigger an immune response.

Additional info?

Antibodies are produced by a dog's immune system.