immune system I
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physical barriers
skin, mucous membranes, cilia
chemical barriers
mucous, acidic properties of the stomach
barrier - surface epithelia can secrete specific microbicidal substances for example..
lysozyme
2 arms of the immune system
• innate immunity • adaptive immunity
is innate immunity specific or non-specific is innate immunity fast or slow
non-specific, fast
does innate immunity involve response to infections (non-self) or response to altered self
both
innate immune cells include.. (2)
macrophages & neutrophils
how do macrophages and neutrophils differ in terms of death after destroying their target
macrophages don’t die - can continue to destroy foreign material neutrophils - die after destroying their target
macrophages have specific names in certain places - in liver they’re called..
kupffer cells
macrophages have specific names in certain places - in bone they’re called..
osteoclasts
macrophages have specific names in certain places - in kidney they’re called..
mesangial cells
macrophages have specific names in certain places - in brain they’re called..
microglia
macrophages have specific names in certain places - in blood they’re called..
macrophages
innate immunity - other killer cells include.. (2)
-eosinophil -natural killer cell
is adaptive immunity specific or non-specific is adaptive immunity slow or fast
specific, slow
does adaptive immunity include response to infections (non-self) or response to altered self
both
specific characteristic that adaptive immunity has that innate immunity doesn’t
has memory
what characteristics applies to both adaptive and innate immunity (3)
-can be humoral or cell-mediated -responds to infections -responds to altered self
adaptive immune cells include …
lymphocytes
2 types of lymphocytes (adaptive immune cell)
B cells T cells
where are B cells and T cells born
bone marrow
where do B cells mature, where do T cells mature
B cells mature in bone marrow T cells mature in thymus
where are B cells and T cells both activated
secondary lymphoid organs
do B cells/T cells have short-term or long-term immunity
long-term immunity