Immunology is the study of the immune system and its reaction to pathogens, as well as its malfunctions (autoimmune diseases, allergies, rejection of organ transplants).
... Abdominal defects[?] Abdominal musculature absent microphthalmia joint laxity[?] Abdominal neoplasms[?] Aberrant subclavian artery[?] Ablepharon macrostomia ...