Physiology notes- immunology (lecture 1)

Physiology notes- immunology (lecture 1) - Physio 9.26...

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Unformatted text preview: Physio 9.26 notes Text chapter at end about immunology 11 th ed: last chapterimmunology stuff (look it up) 3 lines of host defences:- Coverings of the body (skin and mucous membranes)- No need for immunity if dont breach that membrane- Innate immune responses- After breaching coverings- Hard-wired- Same in virtually all mammals- Most critical part of the immune system- Has no memory- Adaptive (acquired) immune responses- Has memory- Borrows every other molecular system from the innate response Totipotential cell turns to haemopoetic stem cell- Creates lots of different types of cells- Neutrophil (polymorph)- Eosinophil- Monocytes (macrophages)- Lymphocytes- Dendritic cell Polymorph (neutrophil)- Phagocytic o Works in conjunction with other phagocytic cells Dendritic cells- Equally phagocytic- Carry bacteria on surfaces Macrophage- Phagocytic cell- Eats using pseudopods- Eats everything Lymphocyte- Example: human steps on a piece of glass- Breaches first line of defence- See inflammation o Manifestation of innate immune response...
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Physiology notes- immunology (lecture 1) - Physio 9.26...

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