Antigenic specificity : Species Specificity and Autospecificity

The antigenic specificity of the antigen is determined by antigenic determinants or epitopes. What is an Epitope? The immunologically active region of an immunogen that binds to antigen-specific membrane receptors on lymphocytes or secreted antibodies…

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Antigens determinants

Antigens : Determinants of antigenicity

Antigens are molecules that can be recognized by the immunoglobulin receptor of B cells or the T-cell receptor when complexed with the major histocompatibility complex (MHC). The term antigen is a shortened form of the…

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innate and adaptive

Differences between innate and acquired immunity

Adaptive immunity is also known as acquired immunity since the efficacy of immune response is only acquired by experience. Innate immunity is the resistance that a person is born with. Individual immunity, racial immunity, and species immunity…

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Herd Immunity

Herd immunity Versus Local immunity in Immunology

Herd immunity refers to the total degree of immunity in a population. The eradication of an infectious disease is dependent on the establishment of a high degree of herd immunity against the pathogen. An epidemic…

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Adaptive immunity

Acquired immunity : Active and passive immunity

Adaptive immunity is also known as acquired immunity since the efficacy of immune response is only acquired by experience. Types of acquired immunity Acquired immunity to a microbe can be caused by either the host’s…

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Innate immunity

Innate Immunity : Factors influencing innate immunity

The primary role of the immune system is to prevent or restrict infections caused by pathogenic microorganisms such as bacteria, viruses, parasites, and fungi. The identification of microorganisms and foreign substances is the first occurrence…

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Immunology is characterized as the analysis of the immune system (the molecules, cells, organs, and systems) which is responsible for the following: Recognizing and disposing of non-self-substances Responding to and interacting with body components and…

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