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Adaptive immunity is a type of immunity that develops when the body's immune system responds to a foreign substance or microorganism. It's also known as the acquired immune system or specific immune system.
Adaptive immunity involves specialized immune cells and antibodies that attack and destroy foreign invaders. It can last for a few weeks or months, or for a long time, sometimes for a person's entire life. The adaptive immune system protects the body from infection by pathogens, such as bacteria, viruses, fungi, and parasites. It specifically targets the type of germ that is causing the infection. The adaptive immune system takes over if the innate immune system is not able to destroy the germs. The adaptive system consists of two broad sets of antigen-responsive cells, the B and T lymphocytes. B lymphocytes are the precursors of antibody-producing cells. Antibodies can recognize three-dimensional structures and neutralize pathogens in extracellular fluid.
Related Test: Pathophysiology Practice Test: Innate Immunity - Inflammation and Wound Healing
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