An antibody is "monoclonal" (Mab) when
its binding sites are specific for
one single antigen
WHAT IS A MONOCLONAL ANTIBODY ?
This Y shaped molecule is a monoclonal antibody
An antibody ( immunoglobulin) is a substance synthesized by cells (in our bodies : lymphocytes) in answer to a stimulation by a substance recognized as non-self (Antigen)
Roll the mouse towards the antibody, and you will see the antigen bind