Summary: Lectures
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1 Re-visiting our immune system; Adaptive immunity:immune cells and immune regulation
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What is the role of the immune system?
Defense against invading pathogens -
Name the three "organs" of the immune system:
Mechanical bariersBlood circulationLymphe circulation -
What is the mechanical barrier of the immune system?
SkinMucosa -
What is important for the lymphe circulation, regarding the organs of the immune system?
Thymus, lymph nodes, Specialized lymphoid structures located in a variety of organs: e.g. MALT (mucosa-associated lymphoid tissue) -
What does a mastcell do?
Expulsion of parasites from body through release of granules containing histamine and other active agents -
What does a monocyte do?
circulates, precursor cell to marcophage -
What does a macrophage do?
phagocytosis and killing of microorganisms. Activation of T cells and initiation of immune responses -
What does a small lymphocyte do?
produces antibodies (b cells) or cytotoxic and helper functions (T cells) -
What is and does a plasma cell do?
Fully differentiated form of B cell that secretes antibodies -
What is characteristic for the innate immune responses?
fastnot very specific
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