Duality of Immune System

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Chapter: Pharmaceutical Microbiology : Immune Systems

Evidences from an exhaustive survey of literature has revealed that during the early stages pertaining to the historical development of immunological experimentation, the, biologists duly learned that ‘certain specific types of immunity’ may be meticulously transferred between animals (belonging to the same species) by actually transferring serum from immunized to nonimmunized animals.


DUALITY OF IMMUNE SYSTEM

 

Evidences from an exhaustive survey of literature has revealed that during the early stages pertaining to the historical development of immunological experimentation, the, biologists duly learned that ‘certain specific types of immunity’ may be meticulously transferred between animals (belonging to the same species) by actually transferring serum from immunized to nonimmunized animals. Importantly, other kinds of immunity could not be transferred effectively via blood serum. Obviously, at a much later stage it was duly understood that these special types of immunity may be easily and conveniently transferable only when certain specific lymphocytes were transferred actually.

 

Based on the further extensive and intensive researches carried out by the ‘immunologists’ across the globe ultimately accumulated copious volumes of valuable informations and results that are now well-known to reflect the two major segments of the so called vertebrate immune system, namely :

 

(a) immunity associated with serum-transfer reflecting the activities of the humoral (anti-body-mediated) immune system*, and

 

(b) immunity associated with transfer of lymphocytes reflecting the activities of the cell-mediated immune system*.

 

Nevertheless, these two aforesaid major segments exert their actions both individually, and together in order to safeguard the humans from ailment irrespective of their age, race, and gender.

 

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