IMMUNOLOGICAL MEMORY Meaning and
Definition
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Immunological memory refers to the ability of the immune system to remember previous encounters with a specific pathogen or foreign substance, and mount a more rapid and efficient response upon re-exposure to that particular antigen. It is a fundamental aspect of adaptive immunity, which is the specific arm of the immune system that recognizes and eliminates specific pathogens and foreign molecules.
When the immune system encounters an antigen, such as a virus or bacterium, it activates specific immune cells called lymphocytes, which include B cells and T cells. These lymphocytes produce proteins called antibodies or release cytokines, which aid in the clearance of the pathogen. Following the initial response, a subset of these lymphocytes, known as memory cells, persists in the body even after the infection or vaccination has been cleared.
In subsequent encounters with the same antigen, these memory cells can quickly recognize and respond to the pathogen, mounting a faster and more robust immune response. This rapid response is mediated by the enhanced production of antibodies and cytokines, as well as the expedited activation and proliferation of effector cells that specifically target the pathogen. As a result, the immune system can effectively eliminate the pathogen before it causes significant harm, often preventing the reestablishment of infection or disease.
Immunological memory forms the basis of long-lasting protective immunity induced by previous infections or vaccinations and is critical for preventing recurrent infections by the same or related pathogens.
Common Misspellings for IMMUNOLOGICAL MEMORY
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Etymology of IMMUNOLOGICAL MEMORY
The etymology of the word "Immunological Memory" can be broken down as follows:
1. Immunological: The term "immunological" derives from the word "immunity", which can be traced back to the Latin word "immunitas". In Latin, "immunitas" originally referred to exemption from public duties, and later evolved to mean "exemption from disease". The term "immunis" in Latin combines "im-" meaning "without" and "munis" meaning "service" or "duty".
2. Memory: The term "memory" has its roots in the Latin word "memoria", which means "remembrance" or " recollection". In this context, it refers to the ability of the immune system to remember and recognize specific pathogens it has previously encountered.
