ch 18.3: adaptive immune system

immune system

what are the three stage of an adaptive immune response

encounter and recognition, lymphocyte activation, attack

where are lymphocytes produced

in the bone marrow

where do b cells mature

bone marrow

where do t cells mature

thymus

where are lymphocytes activated

in secondary lymphoid organs such as lymph nodes, spleen, and tonisls

proteins that travel throughout the body and aid in neutralizing foreign matter

antibodies

create leaky cell membrane, secrete toxic substances into cells

perforin

what are b cell receptors

immunoglobulins (IG)

what mhc class do cytotoxic t cells recognize

I

what mhc class do helper t cells recognize

II

where are class I mhc proteins found

all nucleated cells of the body

where are class II mhc proteins found

only on macrophages, b cells, and dendritic cells