MedicalGenetics1515免疫缺陷免疫缺陷immunodeficiencimmunodeficiencyyMedicalGeneticsTheimmunesystemisanetworkofinteractingcellularandsolublecomponents.Itsfunctionistodistinguishentitieswithinthebodyasselfornonselfandtoeliminatethosethatarenonself.MedicalGeneticsMicroorganismsaretheprincipalnonselfentities,butneoplasms,transplants,andcertainforeignsubstances(eg,sometoxins)arealsoimportant.Toaccomp...