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Antigen

A 33-year-old member asked:
Dr. Ed Friedlander
Pathology 44 years experience
Parts of molecules: Anything that one creature's immune system recognizes (rightly or wrongly) as foreign and reacts against can be considered an antigen. Usually these a... Read More
Dr. Payam Rafat
Podiatry 22 years experience
Antigens are...: An antigen is any substance that causes your immune system to produce antibodies against it. It may be a foreign substance from the environment such ... Read More

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A 28-year-old male asked:
Dr. Richard Bensinger
Ophthalmology 52 years experience
Immunoloigic chemica: Antigens are chemicals which upon exposure to the surface or inside of the body, will cause a reaction term allergic. Many substances will do this an... Read More
A 34-year-old member asked:
Dr. Ed Friedlander
Pathology 44 years experience
Dendritic macrophage: There are reliable textbooks and websites where you can read about these fascinating players in the wonderful and still-puzzling immune system.
A 34-year-old member asked:
Dr. Jose Prieto-hernandez
Infectious Disease 36 years experience
No: Infectious agent with nuclei acid molecule in a protein coat which has different antigens Antigen is a protein, toxin, or foreign substance that indu... Read More
A 23-year-old member asked:
Dr. Steven Machtinger
Allergy and Immunology 44 years experience
T cells use antigens: Antigens are parts of large molecules, usually proteins but occasionally carbohydrates, that your immune system samples to see if they are part of you... Read More
A 35-year-old member asked:
Dr. Susan Rhoads
Family Medicine 38 years experience
Depends: This terminology is used more outside the US and means the combination vaccine against diptheria, tetanus and whooping cough (pertussis), given in a s... Read More
A 45-year-old male asked:
Dr. Sudeshan Govender
A Verified Doctoranswered
A US doctor answeredLearn more
Yes: Normally peaks 3-4 weeks after infection.
A 32-year-old member asked:
Dr. Joel Gallant
Infectious Disease 36 years experience
HBsAg: It's an old term for the hepatitis b surface antigen. Having a positive hbsag means that you have hepatitis b: either acute or chronic.
A 42-year-old member asked:
Dr. Michael P Vaughn
Allergy and Immunology 34 years experience
Food antigens: Antigens are substances, typically proteins, that are recognized by the immune system as foreign to the body. Typically, protective antibodies (igg, I... Read More
A 23-year-old female asked:
Dr. John Chiu
Allergy and Immunology 57 years experience
Super vs mere mortal: A superantigen does not require processing by a middle-man to induce an immune response. Staph enterotoxin is just one of the examples. The regular... Read More

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