This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Antibody. Antibody chains svg An antibody is made up of two heavy chains and two light chains The variable region which differs from one antibody to the next allows an antibody to recognize its matching antigen niaid nih gov pdf The Immune System pdf Template drawing from The Immune System any modifications made by myself are