This is the slogan that flies some parasites attacking the defensive line of the immune system in multiple ways Vchl movement or weaken his power, for example, some types of schistosomiasis can shistosoma mansoni That you broke into two halves antibodies so that you can not do its job and that by secreting a kind of categorical protein enzymes Protease , In a process called Antibody cleavage .
The tapeworms can pursue their larvae to stop activity of catalysts of the immune system complement )), Which play an active role in the preparation of antibodies and white blood cells to resist these larvae.
While some types of protozoa Toxoplasma Secrete a substance has the ability to pay the host's immune system that increases the production of a type of white cells called T-supressor These cells are resistant to the immune system and thus makes the parasite's immune system stops himself and called this type of attack b Immunosupression.
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immune system