lecture 4-17 immune sys I

lecture 4-17 immune sys I - Chapter 43 Immune system...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Chapter 43 Immune system Learning objectives Understand the difference between an antigen and an antibody. Distinguish between innate immunity and acquired immunity Know the innate, nonspecific, lines of defense in the vertebrate body. Describe the roles of antimicrobial proteins in innate immunity. Describe the inflammation response Innate immunity Is present before any exposure to pathogens and is effective from the time of birth Involves nonspecific responses to pathogens Acquired immunity (also called adaptive immunity)- Develops only after exposure to inducing agents such as microbes, toxins, or other foreign substances- Involves a very specific response to pathogens The immune system has two major kinds of defense Innate immunity Involves nonspecific responses to pathogens External Internal Cellular and Chemical External Defenses Intact skin and mucous membranes Form physical barriers that bar the entry of microorganisms and viruses Certain cells of the mucous membranes produce mucus A viscous fluid that traps microbes and other particles...
View Full Document

Page1 / 14

lecture 4-17 immune sys I - Chapter 43 Immune system...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online