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This category represents questions on miasma.
Immunity can be defined as a complex biological system endowed with the capacity to recognize and tolerate whatever belongs to the self and to recognize and reject what is foreign (non-self).
Immunity can be defined as a complex biological system endowed with the capacity to recognize and tolerate whatever belongs to the self and to recognize and reject what is foreign (non-self).
See less1. Lymphoid organs 2. Bone marrow 3. Thymus 4. Lymph nodes 5. Spleen 6. Tonsils 7. Mucous membranes 8. WBC 9. RBC 10. Platelets.
1. Lymphoid organs
2. Bone marrow
3. Thymus
4. Lymph nodes
5. Spleen
6. Tonsils
7. Mucous membranes
8. WBC
9. RBC
10. Platelets.
Reactions produced by the normal immune system, including allergies and autoimmunity. They are usually referred to as an over-reaction of the immune system and these reactions may be damaging, uncomfortable, or occasionally fatal. Hypersensitivity reactions require a pre-sensitized (immune) state ofRead more
Reactions produced by the normal immune system, including allergies and autoimmunity. They are usually referred to as an over-reaction of the immune system and these reactions may be damaging, uncomfortable, or occasionally fatal. Hypersensitivity reactions require a pre-sensitized (immune) state of the host. The Gell and Coombs classification of hypersensitivity is the most widely used and distinguishes four types of immune response that result in bystander tissue damage.
See lessIn general, two main divisions of antigens are recognized: foreign antigens (or heteroantigens) and autoantigens (or self-antigens). Foreign antigens originate from outside the body. Examples include parts of or substances produced by viruses or microorganisms (such as bacteria and protozoa), as welRead more
In general, two main divisions of antigens are recognized: foreign antigens (or heteroantigens) and autoantigens (or self-antigens). Foreign antigens originate from outside the body. Examples include parts of or substances produced by viruses or microorganisms (such as bacteria and protozoa), as well as substances in snake venom, certain proteins in foods, and components of serum and red blood cells from other individuals. Autoantigens, on the other hand, originate within the body. Normally, the body is able to distinguish self from nonself, but in persons with autoimmune disorders, normal bodily substances provoke an immune response, leading to the generation of autoantibodies. An antigen that induces an immune response.
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An increase in the amount of organic tissue that results from cell proliferation. It may lead to the gross enlargement of an organ, and the term is sometimes confused with benign neoplasia or benign tumor.
An increase in the amount of organic tissue that results from cell proliferation. It may lead to the gross enlargement of an organ, and the term is sometimes confused with benign neoplasia or benign tumor.
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