They lavished their attention, instead, on the more
advanced adaptive immune system, which can marshal antibodies and other weaponry that identify and then target an intruder with a specificity lacking in the untamed innate system.
The
adaptive immune system is a more
advanced, sophisticated part of the
immune system, and miscommunications between
adaptive immune system cells lead those cells to fight your body's own tissues, creating the villous atrophy seen in celiac disease.