In this column, I’ll focus on physical problems that can create barriers to learning ... poor balance and/or hand-eye coordination, squinting, sitting abnormally close to the TV, rubbing ...

The immune system’s three lines of defense include physical and chemical barriers, non-specific innate responses, and specific adaptive responses. The immune system is a complex network of ...

The immune system’s front line of defence against pathogens are the barriers presented by surfaces including the skin, gut mucosa and airway epithelium. Whilst providing a physical barrier ...

The mucosal tissues of the gastrointestinal, respiratory, reproductive, and urinary tracts, and the surface of the eye ... barrier that interacts with and responds to other elements of innate ...

One can view the innate immune response to viral infection as proceeding in different temporal phases, including: initial inhibition by soluble proteins present in mucosal secretions prior to ...

the surface of the eye, inside the mouth, the lining of the intestine and the urinary tract, for example -- are known as barrier tissues. Helping to defend those tissues are innate lymphoid cells ...

Things like skin, the lining of the eyes, ears, mouth and respiratory tract, the gastro-intestinal tract, and urinary and reproductive tracts, all act as a physical barrier to external noxious ...