Chapter 24
Immune System
ما هو جهاز المناعة؟
Overview
The immune system comprises diverse biological structures and processes that protect the body from disease. These processes can be classified ...
الاستجابات المناعية الخلوية
Overview
The cell-mediated immune system is the host’s primary response against invasive bacteria and viruses that cause intracellular infections. ...
الاستجابات المناعية الخلطية
Overview
The humoral immune response, also known as the antibody-mediated immune response, targets pathogens circulating in “humors,” or ...
هيكل الجسم المضاد
Overview
Antibodies, also known as immunoglobulins (Ig), are essential players of the adaptive immune system. These antigen-binding proteins are produced ...
الألفة والرَغابة
Overview
Antibodies bind to toxins or substances on the surface of cells, bacteria, viruses, or fungi. The substance is called an antigen, and the ...
التفاعلية المتصالبة
Overview
The ability of a single antibody to recognize multiple structurally similar epitopes is an important immune defense strategy that enables the ...
ردود الفعل التحسسية
Overview
We speak of an allergy when the immune system triggers a response against a benign foreign structure, like food, pollen or pet dander. These ...
الالتهاب
Overview
In response to tissue injury and infection, mast cells initiate inflammation. Mast cells release chemicals that increase the permeability of ...
التطعيمات
Overview
Vaccination is the administration of antigenic material from pathogens to confer immunity against a specific microorganism. Vaccination primes ...
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