Adaptive immune system

When you cut your finger, your immune system kicks in to protect you from pathogens.

Harnessing the Power of Immune Intelligence: A Smarter Immune System is More Resilient to Environmental and Infectious Exposures

Acquired (adaptive or specific) immunity is a type of immunity that develops when a person’s immune system responds to a foreign substance or microorganism, or that occurs after a person receives antibodies from another source, Types of acquired immunity are adaptive and passive, Adaptive immunity occurs in response to being infected with or vaccinated against a microorganism.

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Innate immunity/inborn/genetic/heritable : Nonspecific host defenses that exist prior to exposure to an antigen and involve anatomic, ph...

Activation of the adaptive immune defenses is triggered by pathogen-specific molecular structures called antigens. Antigens are similar to the pathogen-...

Just as resistance to disease can be innate (inborn) or acquired, the mechanisms mediating it can be correspondingly divided into innate (left) and adaptive (right), each composed of both cellular (lower half) and humoral elements (i.e. free in serum or body fluids; upper half). Adaptive mechanisms, more recently evolved, perform many of their functions by interacting with the older innate ones. Innate immunity is activated when cells use specialized sets of receptors (see Fig. 5) to…

Maturation of B and T cells👇 📎The maturation of B and T cells is a crucial process in the development of the adaptive immune system, where these cells acquire specialized functions and become competent in recognizing and responding to specific antigens. Here's a brief overview of the maturation processes of B and T cells: 📌1) B Cell Maturation: 📎B cell development begins in the bone marrow from hematopoietic stem cells. 📎Immature B cells undergo rearrangement of their immunoglobulin…