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This cell speeds up the recognition of an antigen when it is introduced again after an initial exposure and reaction?
Wiki User
∙ 11y ago
Phagocyte
Wiki User
∙ 11y ago
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A substance which causes an immunological reaction when introduced into the body of man is?
An Antigen
What is an autoantigen?
An antigen is an antibody generator which is introduced to the body to provoke a reaction. When appropriate an autoantigen is introduced for specific autoimmune issues.
Blocking the antigen receptors on the surface of the lymphocytes would interfere with what?
Antigen recognition
Does a person get sick every time exposed to an antigen?
No. You are exposed to antigens all day every day. If you are allergic to the antigen then you may have an allergic reaction or not depending on a lot of factors such as the manner of exposure and the level.
Initial exposure to an antigen?
The answer is sentizitation
What is an Arthus reaction?
An Arthus reaction is a hypersensitivity reaction involving the in situ formation of antigen/antibody complexes after the intradermal injection of an antigen.
After the first exposure to an antigen what carries the record of the exposure in the body?
Memory B cells and memory T cells carry the record of the first exposure to an antigen in the body. These cells are generated during the initial immune response and remain in the body to provide a faster and stronger immune response upon re-exposure to the same antigen.
What is the medical term meaning life-threatening reaction to an antigen?
Anaphylaxis is a life-threatening, acute allergic reaction to an antigen.
Is a type of immunity that develops from exposure to an antigen. This exposure results in production of antibodies.?
Active Immunity
What describes the body's recognition of a relatively harmless substance as a dangerous antigen and subsequent mounting of an immune response?
an allergic reaction
What leads to long-term immunity in mammals?
exposure to antigen
What are characteristics of adaptations?
1-Response is antigen-dependent 2-There is a lag time between exposure and maximal response 3-Antigen-specific 4-Exposure results in immunologic memory
