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The innate immune system is always general, or nonspecific, meaning anything that is identified as foreign or non-self is a target for the innate immune response. The innate immune system is activated by the presence of antigens and their chemical properties.
Aug 31, 2023 · Innate immunity is an antigen-nonspecific defense mechanisms that a host uses immediately or within several hours after exposure to almost any microbe. This is the immunity one is born with and is the initial response by the body to eliminate microbes and prevent infection.
Jul 27, 2022 · Innate, or nonspecific, immunity is the natural resistance with which a person is born. It provides resistance through several physical, chemical, and cellular approaches. Adaptive immunity is often sub-divided into two major types acording to how the immunity was introduced.
The nonspecific immunity or innate immunity is a type of non-specific immunity present at birth, or in people whose immune systems are not yet fully developed, and therefore, it is not able to provide specific and selective pathogens. It is also known as natural, hereditary or constitutive immunity and it is the first line of defence in non ...
Dec 20, 2004 · In general, innate immunity is considered a nonspecific response, whereas the adaptive immune system is thought of as being very specific. In addition, the antigen receptors of the adaptive...
- Eric Vivier, Bernard Malissen
- 2005
It employs two lines of defense for non-specific immunity: the first line, which includes skin and mucus membranes, aims to keep pathogens out. The second line, featuring phagocytes, targets pathogens that have entered the body.
- 16 min
- Sal Khan
Innate immunity involves immediate, nonspecific responses to foreign invaders, while adaptive immunity requires more time to develop its complex, specific responses (1). Innate immunity is the first line of defense against foreign substances and pathogenic microorganisms.
