Antigens: Molecules carried or produced by microorganisms that initiate antibody production; mostly proteins or proteins combined with polysaccharides.

 

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Antigens: Molecules carried or produced by microorganisms that initiate antibody production; mostly proteins or proteins combined with polysaccharides.

Veterinary Biologics: Vaccines, antigens, antitoxins and other preparations made from living organisms (or genetically engineered) and intended for use in diagnosing, treating, or immunizing animals. Unlike some . . . View Full Definition

Biologics: Immunization vaccines, bacterins, antigens, and antitoxins and other preparations made from living organisms and their products, intended for use in diagnosing, immunizing, or treating human . . . View Full Definition

Antigen Drift: The random accumulation of mutations in viral genes recognized by the immune system. Such accumulation may significantly change the antigens of the virus, and may help it evade the immune system.

B Cells: Type of lymphocyte responsible for antibody-mediated immunity; mature in the bone marrow and circulate in the circulatory and lymph systems where they transform into antibody-producing plasm . . . View Full Definition

Blood Group Or Type: One of the classes into which blood can be separated on the basis of the presence or absence of certain antigens; notably, the ABO types and the Rh blood group.

Allergens: Antigens that provoke an allergic reaction.