Immunesystem

Unit 3 – Dynamic Equilibrium Section 6- Immune System www.hi-dentfinishingschool.blogspot.com dr shabeel pn

Immunity ,[object Object],[object Object],[object Object],[object Object]

Foreign Invaders ,[object Object],[object Object],[object Object],[object Object]

Parts of the Immune System ,[object Object],[object Object],[object Object],[object Object]

How does the body fight infection/foreign invaders? ,[object Object],[object Object],[object Object],[object Object],[object Object]

Second Line of Defense – Nonspecific Immune Response ,[object Object],[object Object],[object Object],[object Object],[object Object],Macrophage : A phagocytic cell found in the liver, spleen, brain and lungs. Travels to all areas of the body to find and eat pathogens.

[object Object],[object Object],Third Line of Defense – Specific Immune Response

Antibodies ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

How an antibody operates/works? Deactivation of a bacterium by an antibody.

The Pathway of Specific Immune Response Pathogens Pathogens eaten by Macrophage Displays portion of Pathogen on surface Helper-T cell recognizes Pathogen Step 1 Step 2 Step 3

Activates B- Cell Activates Cytotoxic T- Cell Memory B-Cell Memory T-Cell Kills Infected Cells Antibodies 

Cellular Immunity .vs. Antibody Immunity ,[object Object],[object Object],[object Object],[object Object],[object Object],Cellular Immunity Antibody or Humoral Immunity

Immune Response Explained ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Immune Response Summary Displays copy of antigen on surface of cell Cellular Immunity Antibody Immunity Antigen Macrophage Helper T - Cell Active Cytotoxic T-Cell Active B - Cell Kills Infected Cells Memory T- Cell Plasma Cell Memory B-Cell Antibodies Deactivates Antigens

Primary .vs. Secondary Immune Response ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Primary .vs. Secondary Immune Response

Passive .vs. Active Immunity ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Autoimmune Disease ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Allergies ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What happens during an allergic reaction? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Homework ,[object Object],[object Object]

Immunesystem

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Immunesystem