Sentences with phrase «harmful foreign substances»

The immune system becomes hyper - sensitized and loses the ability to distinguish between healthy tissue and antigens (harmful foreign substances or organisms such as bacteria, viruses, or toxins).

Some growth factors promote the growth of cells in babies» digestive tracts; others help seal up babies» intestines, which protects babies from pathogens and harmful foreign substances.

Not exact matches

One important type of immoglubin is called secretory immunoglobulin A (sIgA) and has the ability to bind to foreign substances (including harmful bacteria) so they can be eliminated from the body.

Macrophages are types of white blood cells that attack foreign micro-organisms and remove harmful substances within the body.

«Immune responses are essential for recognising and defending humans against substances that appear foreign and harmful to the individual.»

Overloaded and overstimulated, the immune system responds to normally harmless substances as if against a harmful foreign invader.

Allergic symptoms occur when the body identifies a foreign substance as harmful and attacks the substance.