Lymphocyte responsible for production of immunoglobulins
The lymphocyte responsible for the production of immunoglobulins is called a B cell (B lymphocyte)
The lymphocyte responsible for the production of immunoglobulins is called a B cell (B lymphocyte). B cells play a crucial role in the immune response by producing and secreting a class of proteins called immunoglobulins, also known as antibodies.
When a foreign substance, such as a pathogen or antigen, enters the body, it triggers an immune response. B cells possess specific receptors on their cell surface that can recognize and bind to the antigens. Once a B cell recognizes a specific antigen, it internalizes and processes it. This processed antigen is then presented on the surface of the B cell, which activates a subset of specialized helper T cells called CD4+ T cells.
Activated CD4+ T cells release cytokines that stimulate the B cell, causing it to divide and differentiate into two main cell types: plasma cells and memory cells. Plasma cells are short-lived and actively secrete large amounts of immunoglobulins into the bloodstream. Immunoglobulins are Y-shaped proteins that can bind to the specific antigen that initially activated the B cell. By binding to the antigen, immunoglobulins mark it for destruction by other components of the immune system, such as phagocytes.
Memory B cells, on the other hand, are long-lived cells that retain the ability to recognize and respond quickly to the same antigen in future exposures. They provide immunity against future encounters with the antigen, facilitating a faster and more robust immune response.
Overall, B cells are vital for the adaptive immune response as they generate a diversity of immunoglobulins to target a wide range of pathogens and foreign substances. Their ability to produce highly specific immunoglobulins allows for targeted elimination of these threats and the development of long-term immunity.
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