[Morphology and pathology of the appendix and their clinical significance]

High content of the lymphoid tissue in the appendix confirms the immunoreceptor function of this organ as the most probable. It consists in regulation of food enzyme disintegration by means of feedback evaluation of the chyme antigenicity. The degree of this function disturbance determines damage to the appendix: functional, non-destructive, destructive. Therefore, differential approach is necessary in the treatment allowing to preserve this organ in many cases.