| Term | Definition |
| Autoimmone hemolytic anemia: antibiody | Anti RBC |
| Autoimmone hemolytic anemia: triad | Cold and warm antibodies, Warm |
| Bullous pemphigoid: antibiody | Anti epidermal BM |
| Bullous pemphigoid: triad | Bullae, puritis, elderly |
| IDDM: antibiody | Anti0islet cell |
| IDDM: triad | Hyperglycemia, DKA, infections |
| Pemphigus: antibiody | Anti-keratinocyte junction |
| Pemphigus: triad | Nikolsky's sign, oral & skin erosions, older |
| Pernicious anemia: antibiody | Anti-IF, anti-parietal cell |
| Pernicious anemia: triad | Megaloblastic anemia, gastritis, B12 deficiency |
| Polyarteritis nodosa: antibiody | p-ANCA |
| Polyarteritis nodosa: triad | medium sized blood vessels, Fever, HTN, Abd pain, renal dz |
| Polymyositis: antibiody | Speckled ANA |
| Polymyositis: triad | Prox musc weakness, elevated musc enz, elevated Myoglobin |
| Progressive Systemic Sclerosis: antibiody | Anti-Scl 70 |
| Progressive Systemic Sclerosis: triad | Visceral organ fibrosis, facial tightening, sclerodactylt |
| Sjogren's Syndrome: antibiody | Anti-SS A, SS B |
| Sjogren's Syndrome: triad | xerostomia, keratoconjunctivitis sicca, arthritis |
| Idiopathic thrombocytopenic purpura : antibiody | Anti-structural platelet |
| Idiopathic thrombocytopenic purpura : triad | Thombocytopenia, petechiae & purpura, mucosal bleeding |
| Vitiligo: antibiody | Anti-melanocyte |
| Vitiligo: triad | Hypopig areas of skin, white hair in affected areas, sunburn risk |