An immunogen is any foreign substance that when introduced into the body stimulates a specific immune response in the form of antibody formation or cell-mediated immunity. For a substance to be immunogenic, it must...
There is a common plan for the construction of the thousands of kinds of proteins that are found in living systems (living organisms’ bodies), The protein is composed of 20 types of amino acids...
Acquired immunity is the resistance of the body to new pathogens or that have infected the body before, If the second line of defence failed in getting rid of the foreign body, the body...
Some organs of the immune system are called lymphoid organs because they are home to lymphocytes which are the main components of the lymphatic system, The parts of the immune system are scattered throughout...
