Micro 1 Flashcards
What does immune mean in late English and what is its latin origin
Free from a liability
Immunis
Immune definitions (2)
protected against particular disease by particular substances in the blood
protected from or unable to be influenced by something, esp. something bad
Immune system definition
the collection of cells, tissues, and molecules that
mediate resistance to infections
Immune response definition
the collective and coordinated response to the introduction of foreign substances in an individual mediated by the cells and molecules of the immune system
Immunology
is the study of the immune system, including its responses to microbial pathogens and damaged tissues and its role in disease.
Immunity
is resistance of a host to pathogens and their toxic effects
discovered that cowpox induces protection against smallpox
Edward Jenner
Louis Pasteur
experiments confirmed the germ theory of disease
he also created the first vaccine for rabies
Ralph Marvin Steinman
discovery of the dendritic cell and its role in adaptive immunity
James P. Allison and Tasuku Honjo
discovery of cancer therapy by inhibition of negative immune regulation
Bruce Beutler, Jules A. Hoffmann
discoveries concerning the activation of innate immunity
The functions of the immune system
- Defense against microorganisms and their products
- Defense against the growth of tumor cells
- The immune system recognizes and responds to tissue grafts and newly introduced proteins; barrier to transplantation and gene therapy
- Homeostasis
- destruction of abnormal or dead cells; control of tissue regeneration and scarring
(e. g. dead red or white blood cells, antigen-antibody complex)
How does the immune system defend the body against tumor cells
• kills the growth of tumor cells (potential for immunotherapy of cancer)
What causes allergic, autoimmune and other inflammatory diseases.
The immune system inducing pathological inflammation
What are the Two types of immunity?
Innate (non adaptive)
Acquired (adaptive)