1-intro to immunology Flashcards
What is immunology?
-Immunology is the study of the body’s defense mechanisms against infections.
-The immune system is highly adaptable, capable of responding to diverse invaders.
-Historical observations of immunity date back over 2000 years, such as the Athenian plague survivors who became resistant.
what does vaccine do to immune response? & example
Vaccination prepare immune response without causing disease by preparing the immune system to combat infectious agents.
-example: rabies vaccine and the eradication of smallpox.
A properly functioning immune system differentiates between …
-between: Self vs. Non-Self.
-between Dangerous vs. Safe Non-Self
A dysregulated immune system
- might respond to safe non-self
-might response to self (autoimmune disorder)
A properly functioning immune system mount response to …
-it will mount response against non-self (pathogen), but avoid attacking self-proteins
-it will mount response to dangerous non-self (pathogenic bacteria)
-it wont respond to safe-nonself (commensal gut bacteria or pets)