The following points highlight the three main types of immunity present in humans. The types are: 1. Innate (Natural or Nonspecific) Immunity 2. Acquired (Specific or Adaptive) Immunity 3. Active and Passive Immunity. Type # 1. Innate (Natural or Nonspecific) Immunity: Innate immunity (also called nonspecific or natural immunity) refers to the inborn-ability of the body to resist, and is [...]
In this article we will discuss about Immunity:- 1. Definition of Immunity 2. Determinants of Natural Immunity 3. Mechanism. Definition of Immunity: The term immunity (Lat. immunis—freed from homage, save from something) means resistance of the body to the pathogenic microbes, their toxins or to other kinds of foreign substances. In other words, it can be defined as the body's [...]
The following points highlight the top three types of immunity found in humans. The types are: 1. Immunity in Bacterial Infections 2. Immunity in Viral Infections 3. Immunity to Protozoa and Helminthes. Immunity: Type # 1. Immunity in Bacterial Infections: (a) Antibody Mediated Immunity: Because of the production of the exotoxin, some microorganisms (i.e. Corynebacterium diphtheriae, Clostridium tetani, CI. welchii, [...]