ANAMNESTIC RESPONSE Meaning and
Definition
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Anamnestic response refers to the immune response that occurs upon re-exposure to a specific antigen that the immune system has encountered before. It is also known as a secondary immune response. This response is characterized by a rapid and robust activation of the immune system that occurs more quickly and effectively than the initial response to the same antigen.
During the first encounter with an antigen, known as the primary immune response, the immune system takes time to recognize and respond to the foreign substance. This process involves the activation and multiplication of specific immune cells, known as lymphocytes, and the production of antibodies that target and neutralize the antigen. The primary response produces a relatively weak and delayed immune reaction.
However, upon subsequent encounters with the same antigen, the immune system is able to mount a much stronger and faster response. This is due to the presence of memory cells, which are long-lived lymphocytes that remain in the body after the primary immune response. These memory cells “remember” the specific antigen encountered previously and can quickly recognize and respond to it upon re-exposure. As a result, the anamnestic response leads to a more efficient production of antibodies and a quicker elimination of the antigen, which contributes to the immune system's ability to protect the body from repeat infections.
Common Misspellings for ANAMNESTIC RESPONSE
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Etymology of ANAMNESTIC RESPONSE
The word "anamnestic response" originates from the combination of two terms: "anamnesis" and "response".
1. "Anamnesis": The term "anamnesis" comes from the ancient Greek word "ἀνάμνησις" (anámnēsis), which means "remembrance" or "reminiscence". It is derived from the verb "ἀναμιμνήσκω" (anamimnḗskō), meaning "to remember" or "to bring to mind".
2. "Response": The word "response" comes from the Latin word "responsum", the past participle of the verb "respondere", which combines "re" (meaning "again" or "back") and "spondere" (meaning "to pledge" or "to promise").
Similar spelling word for ANAMNESTIC RESPONSE
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