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Basic immunology abbas exam questions3/16/2024 ![]() The capacity of an organism to resist development of disease is called immunity. The body can also prevent recurrence of certain infectious diseases. What is the concept of Immunology?Īns.Human body is capable of resisting different types of organisms or toxins that can damage organs or tissues. Some eminent scientists and their contributions to the field of immunology starting from thucididas of the time before Christ up to the late 20 th century Immunologists. What are the contributions of scientists in the field of Immunology?Īns. However, occasionally it fails to make this distinction and reacts destructively against the host’s own molecules such autoimmune diseases can be fatal to the organism.Īlmost any macromolecule (e.g., protein, most polysaccharides and nucleic acids), as long as it is foreign to the recipient, can induce an immune response any substance capable of eliciting an immune response is called an antigen (antibody generator). This ability to distinguish foreign molecules from self molecules is another fundamental feature of the immune system. ![]() Because these immune reactions are destructive in nature, it becomes necessary that they be made in response only to molecules that are foreign to the host and not to those of the host itself. Normally, many of the responses of the immune system initiate the destruction and elimination of invading organisms and any toxic molecules produced by them.
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