Chapter 16 Obj 01
3
16.1 General Concepts in Immunity Explain the basic aspects of innate (nonspecific) and adap?ve (specific or acquired) immunity. • What are the first lines of defense against pathogens? • What are the second lines of defense? • What is the third line of defense in the body?
-
Upload
jessy731 -
Category
Technology
-
view
214 -
download
0
Transcript of Chapter 16 Obj 01
16.1GeneralConceptsinImmunity
Explainthebasicaspectsofinnate(nonspecific)andadap?ve(specificoracquired)immunity.
• Whatarethefirstlinesofdefenseagainstpathogens?
• Whatarethesecondlinesofdefense?
• Whatisthethirdlineofdefenseinthebody?
ThreeLinesofDefenseintheHumanBody
• Innateimmunity1st:Barriersatbodysurfaces–external• Integument&mucousmembranes• Chemicalsecre?ons• microflora
• 3rd:Adap?veimmunity:specificimmuneresponses– Cell‐mediated– An?body‐mediated
2nd:Nonspecificresponses–internal
• Phagocy?ccells• Inflamma?on&fever
• An?microbialproteins
InnatevsAdap?ve
• Innate–Nonspecific– ATributeswehaveatbirth– Defendusfromallpathogens
• Adap?ve–Acquired–Specific– Notpresentatbirth– ImmuneresponsesthatdevelopaWerexposure
• Vaccine,subclinicalinfec?on,clinicalinfec?on– Uniquecellsforeachspecificpathogen
![PDF-1.6 %âãÏÓ 15 0 obj endobj 21 0 obj /Filter/FlateDecode/ID[]/Index[15 8]/Info 14 0 R/Length 40/Prev 1911059/Root 16](https://static.fdocuments.in/doc/165x107/5b0335757f8b9a2d518bdc27/pdf-16-15-0-obj-endobj-21-0-obj-filterflatedecodeid396433c6670cfa4fb930676a8f8fafddindex15.jpg)
