Keyword Analysis & Research: passive immunity and memory cells


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What is passive immunity and how does it work?

Passive immunity is temporary immunity that also develops as a result of natural or deliberate exposure to an antibody. Temporary immunity isn't permanent, which means the next time the pathogens enter the body, the body will get sick again, because it hasn't built up a full immunity to the pathogens.

What is immunological memory?

New York: Garland Science; 2001. Immunological memory. Disable Glossary Links In this Page Immunological memory is long-lived after infection or vaccination Both clonal expansion and clonal differentiation contribute to immunological memory in B cells

What is the difference between memory B cells and passive anti-Rh antibodies?

This is because memory B cells are much more sensitive, because of their high affinity and alterations in their B-cell receptor signaling requirements, to smaller amounts of antigen that cannot be efficiently cleared by the passive anti-Rh antibody.

What is the role of memory B cells in immunology?

The ability of memory B cells to be activated to produce antibody even when exposed to preexisting antibody also allows secondary antibody responses to occur in individuals who are already immune. Adoptive transfer of immune T cells(seeAppendix I, Section A-42) to naive syngeneic mice also prevents the activation of naive T cells by antigen.


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