Difference between Innate and Adaptive Immunity 4.7/5 (105)

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Difference between Innate and Adaptive Immunity

Difference between Innate and Adaptive Immunity

S.N.

Characteristics

Innate Immunity

Adaptive immunity

1.PresenceInnate immunity is something already present in the body.Adaptive immunity is created in response to exposure to a foreign substance.
2.SpecificityNon-SpecificSpecific
3.ResponseFights any foreign invaderFight only specific infection
4.ResponseRapidSlow (1-2 weeks)
5.PotencyLimited and Lower potencyHigh potency
6.Time spanOnce activated against a specific type of antigen, the immunity remains throughout the life.The span of developed immunity can be lifelong or short.
7.InheritanceInnate type of immunity is generally inherited from parents and passed to offspring.Adaptive immunity is not passed from the parents to offspring, hence it cannot be inherited.
8.MemoryCannot react with equal potency upon repeated exposure to the same pathogen.Adaptive system can remember the specific pathogens which have encountered before.
9.PresencePresent at birthDevelops during a person’s lifetime and can be short-lived.
10.Allergic ReactionNoneImmediate and Delay hypersensitivity
11.Used AgainstFor microbesMicrobes and non-microbial substances called antigens
12.MemoryNo memoryLong term memory
13.DiversityLimitedHigh
14.SpeedFaster responseSlower response
15.Complement system activationAlternative and lectin pathwaysClassical pathway
16.Anatomic and physiological barriersSkin, Mucous membranes, Temp, pH, chemicals, etc.Lymph nodes, spleen, mucosal associated lymphoid tissue.
17.CompositionThe innate immune system is composed of physical and chemical barriers, phagocytic leukocytes, dendritic cells, natural killer cells, and plasma proteins.Adaptive immune system is composed of B cells and T cells.
18.DevelopmentEvolutionary, older and is found in both vertebrates and invertebrates.Adaptive immunity system has been developed recently and is found only in the vertebrates.
19.ExampleWhite blood cells fighting bacteria, causing redness and swelling, when you have a cut.Chickenpox vaccination so that we don’t get chickenpox because adaptive immunity system has remembered the foreign body.

Difference between Innate and Adaptive Immunity

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The Author

Sagar Aryal

Sagar Aryal

I am Sagar Aryal, a passionate Microbiologist and the Scientific Blogger. I did my Master's Degree in Medical Microbiology and currently working as a Teaching Assistant at St. Xavier's College, Kathmandu, Nepal. I am particularly interested in research related to Medical Microbiology and Virology. Find me on Facebook, Twitter or Linkedin !!!

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  2. I am very happy for notes
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