BI SC 004 Lecture Notes - Lecture 44: Myasthenia Gravis, Rheumatoid Arthritis, Autoimmune Disease
Document Summary
Immunity is the ability to combat: diseases, cancer, early stages. It can be brought about: naturally through, an infection, artificially through, medical intervention, there are 2 types of immunity, active, passive. Active immunity: an individual"s body makes antibodies, against a particular antigen, this can happen through, natural infection. Immunization: vaccines, primary exposure, shorter lived, slower to respond, secondary exposure, response is, rapid, strong, this type of immunity is usually long-lasting, depends on, memory b cells, memory t cells. Passive immunity: an individual is given antibodies, against a particular antigen, this type of immunity is short-lived, this can happen, naturally, antibodies are passed, across he placenta, during breastfeeding, artificially, via an injection of antibodies. Disorders of the immune system: autoimmune disease, a disease in which the body"s cells are attacked as if they were foreign, attacked by, t cells, cytotoxic, antibodies, examples, multiple sclerosis, lupus, myasthenia gravis, rheumatoid arthritis.
