The adaptive immune system (AIS), also known as the acquired immune system or specific immune system, is a subsystem of the immune system that is composed of specialized cells, …

Jul 25, 2025 · The adaptive immune system is a specialized part of the body’s defense system. It targets specific threats like bacteria, viruses, and other foreign substances, providing long …

Adaptive immunity occurs after exposure to an antigen either from a pathogen or a vaccination. The adaptive, or acquired, immune response takes days or even weeks to become …

Aug 5, 2025 · Adaptive immunity is what allows the body to “learn” from past infections and become stronger with each encounter. Unlike innate immunity, the adaptive system does not …

Oct 6, 2006 · Adaptive immunity involves a tightly regulated interplay between antigen-presenting cells and T and B lymphocytes, which facilitate pathogen-specific immunologic effector …

Unlike the innate immune system, which attacks only based on the identification of general threats, the adaptive immunity is activated by exposure to pathogens, and uses an …

5 days ago · The immune system is a group of defense responses found in humans and other advanced vertebrates that helps repel disease-causing entities. Immunity from disease is …

Jan 2, 2026 · Adaptive immunity is the protection of a host organism from a pathogen or toxin. It is mediated by B cells and T cells, and is characterized by immunological memory. Adaptive …

The adaptive immune system is the second arm of the human immune response. Similar to the innate system, adaptive immunity is able to recognize the difference between foreign …

The adaptive immune system is a subsystem of the overall immune system that recognizes and makes a tailored attack against specific pathogens or tumor cells. It is a slower, but more …