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Antigen refers to any foreign substance which on entering the body stimulates the production of antibodies in the body of the individual as a part of the immune response. These foreign substances can be toxins, bacteria, virus, foreign blood cells or the cells of the transplated organs.
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What is the difference between alloimmunization and isoimmunization?
the autoimmune reaction is the reaction between the antibody and antigene when both come from the same body but the isoimmune reaction is between the antigene and antibody produced for the same antigene ( the same according to the type but not the immunity )
Why do each pathogen need a specific antibody?
each pathogen has a antigene which the antibodies attach to so each pathogen needs a unique antibodie
Define and distinguish antibody affinity and avidity?
An antibody (IgM for example is a pentamere), can consist out of more than one different immonoglobulines. One of the variabel regions of these immunoglobulines can bind to an epitope of an antigene, this is called affinity. When different variabel regions of one antibody bind to different epitopes on an antigene, the combined effect is called avidity. The effect is not equal to the sum of the affinity's.
What is antigene and antibody?
An antigen is a substance that can invoke an immune response. While an antibody is the immune system's response to an antigen. Antibodies, act by directly neutralizing the antigen and/or bind to the antigen and signaling marcophages to phagocytose the antigen.
What is the worst possible reaction to a vaccine?
The worst possible scenario is that you have an allergic reaction to the vaccin. A vaccin consists of one or more antigens injected into your body. An antigene is a "marker" of a specific virus/bacteria toxin etc.. Therefore you are not actually being injected with a "disease" of any sorts.. Just the marker of the infectious agent. Your body remembers this marker. If you are then infected with the infectious agent associated to this marker later in your life (virus, bacteria toxin etc..) your body can react alot faster and supress the infectious agent because it's already seen in before and remembered it. The Antigene injected is not at all harmeful. As i said, the worst thing that could happen is an allergic reaction to that antigene (very rare). Common reactions are a slight fever or "cold" symptons, which are just proof that your immune system is working correctly. P.s: Just a side note, some vaccins are not antigenes but suppressed toxins or viruses. This means that you ARE being injected with an infectious agent, BUT that it has been geneticly modified to cause no harm. I could say that there might be a risk that the infectious agent was not sufficiently suppressed, but that NEVER happens with all the strict procedures and tests vaccins have to go through. Hope i helped.
When do lymphocytes become immunocompetent?
each lymphocyte must become able (competent) to recognize its one specific antigen bye binding to it. this ability is called immunocompetence.
What word can you make out of ancient egypet?
PANGENETIC PENITENCY PENITENCE EPAENETIC TENPENCE TANGENCY TANGENCE PATIENCE ENCEINTE ENACTING EGYPTIAN ANTIGENE AGENETIC YEANING TENANCY TEENING TEENAGE PYCNITE PINNATE PINNACE PICANTE PENTICE PENTENE PENTANE PENNATE PENANCE PEENING PEANING PEACING PATENCY PANTING PANTINE PANGENE PANEITY NEAPING GYNECIA GENTIAN GENETIC
Different types of bloods and their description?
1-Type A ... which has antibodies : B ... and Antigene : A2-Type B ... which has antibodies : A ... and Antigen : B3-Type AB . which has No antibodies ... and has Antigen : A and B4-Type O .. which has antibodies : A and B ... and has No Antigens* Type A alleles could be : IAIA or IAi* Type B alleles could be : IBIB or IBi* Type AB alleles : IAIB* Type O alleles : ii
Different types of bloods and description?
1-Type A ... which has antibodies : B ... and Antigene : A2-Type B ... which has antibodies : A ... and Antigen : B3-Type AB . which has No antibodies ... and has Antigen : A and B4-Type O .. which has antibodies : A and B ... and has No Antigens* Type A alleles could be : IAIA or IAi* Type B alleles could be : IBIB or IBi* Type AB alleles : IAIB* Type O alleles : ii
What are some eight letter words with 1st letter A and 3rd letter T and 5th letter G and 8th letter E?
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern A-T-G--E. That is, eight letter words with 1st letter A and 3rd letter T and 5th letter G and 8th letter E. In alphabetical order, they are: antigene
Individuals with type ab are blood recipient can you tell why?
1-Type A ... which has antibodies : B ... and Antigene : A2-Type B ... which has antibodies : A ... and Antigen : B3-Type AB . which has No antibodies ... and has Antigen : A and B4-Type O .. which has antibodies : A and B ... and has No Antigensfrom this information's, you can notice that AB blood type doesn't have Antibodies that's why it accept all types during blood transfusion, when there is no antibodies this means that the body will not consider the other blood types as foreigners.
What are some eight letter words with 1st letter A and 2nd letter N and 7th letter N and 8th letter E?
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 6 words with the pattern AN----NE. That is, eight letter words with 1st letter A and 2nd letter N and 7th letter N and 8th letter E. In alphabetical order, they are: andesine anserine antiacne antidune antigene antimine
