Sentences with phrase «substance as a foreign agent»
In most cases the reaction is the result of the immune system reacting too much and recognizing the substance as a foreign agent, which it then tries to get rid of.
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The committee is also concerned that the injection process might harm the sperm or egg, or introduce «foreign» substances such as bits of the egg's outer coating or even infectious agents into the egg.
Just as certain disease - causing agents or foreign substances will cause the body to produce antibodies against them, certain proteins are known to act like antigens in celiac disease patients, causing the body to produce antibodies against them.