Antigens.
antigen
Antigen
Antigen
An antigen is a substance/molecule that, when introduced into the body, triggers the production of an antibody by the immune system, which will then kill or neutralize the antigen that is recognized as a foreign and potentially harmful invader.
a lymphocyte
An antigen is a substance or molecule that, when introduced into the body, triggers the production of an antibody by the immune system, which will then kill or neutralize the antigen that is recognized as a foreign and potentially harmful invader. These invaders can be molecules such as pollen or cells such as bacteria.
An antigen is a molecule recognized by the immune system. (Wikipedia)For the source and more detailed information concerning your request, click under the related links section (Wikipedia) indicated directly below this answer section.
It mutates itself so that it is no longer recognized by the immune system as an invader that it has previously killed and knows how to respond. It does this by rearranging the proteins on its coat (capsid).
Ann antibody is a complex protein molecule. Our immune system uses antibodies to fight bacteria.
A commonly recognized cause of Alzheimer's is inflammation of a protein, called amyloid, that is found in the brain. The immune system senses this inflammation, though it is not entirely effective in reducing the inflammation and conquering the disease.
receptors
coded messages in the DNA
your immune system and your White blood cells produce antibodies
The body's immune system is able to distinguish between self and non-self cells through various mechanisms. One such mechanism is the presence of major histocompatibility complex (MHC) molecules on the surface of cells, which helps the immune system recognize self-cells. Non-self cells, such as infected or cancerous cells, may display abnormal proteins or antigens that are recognized as foreign by the immune system, prompting an immune response to attack and eliminate them.
because spermatozoa and developing cells produce surface antigens that are recognized as foreign by the immune system