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41 terms

cell types

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primarily phagocytic
monocytes, neutrophils, macrophages, dendritic cells
lymphocytes
B, T, and NK cells
B cells
recognize extracell pgens, transform into plasma cells
B cells
extracellular
plasma cells
make antibodies [factories]
T cells
recognize cells displaying intracellular pathogens
T cells and NK cells
kill tumor cells and infected cells
NK cells
maintenance
Phagocytes
monocytes, neutrophils, macrophages, dendritic cells
Phagocytes
ingests and destroys pathogens and debris
Phagocytes
can present antigens to lymphocytes
neutrophils
has filaments between lobes, squeezes into tissue
neutrophils
migrate to infection - diapedesis
neutrophils
most of WBC, from bone marrow, in circulation
lymphocytes
from bone marrows, in circluation, also in lymph fluid, nodes and spleen, [secondary lymphoid organs]
lymphocytes
PRODUCE ANTIBODIES AGAINST EXTRACELL PATHOGENS
lymphocytes
release substances that aid immune cells in fxs
plasma cells
from activated b cells
macrophages and monocytes
in tissue, roam under skin, left circulation, always migrate to site of infection
monocytes
in blood - when in tissue they are macrophages
macrophages and monocytes
phagocytic, and antigen presntation, can take up tumor cells
macrophages
in tissue - when in blood they are monocytes
basophil
in tissue, connective, meninges, capillaries, not brain
mast cells
when in blood they are basophils
basophil
in tissue, connective, meninges, capillaries, not brain
basophils and mast cells
Migrate to sources of infection, active in hypersensitivity and allergic reactions
basophils and mast cells
from bone marrow, MEDIATE INFECTION- ATTRACT OTHER IMMUNE CELLS
basophils and mast cells
secondarily phagocytic - not the main job
basophils and mast cells
mast cells release granules in IgE response
eosinophils
Migrate to sources of infection, Not primarily phagocytic, 1-3% WBC
eosinophils
active during hypersensitivity reactions
eosinophils
dumps Major Basic Protein on larger parasites
dendritic cells
from bone marrow, related to macrophages
dendritic cells
antigen capture and presentation
dendritic cells
resemble neurons
dendritic cells
4 types - are under skin, between cells, lymph nodes, spleen
dendritic cells
Antigen-presenting cells, located mainly in lymphatic tissues and skin, that is particularly efficient in presenting antigens to naive helper T cells, thereby initiating a primary immune response.
follicular dendritic cells
not really dendrtic cells - similar morphology
follicular dendritic cells
in lymph node follicles only
follicular dendritic cells
aid in maturation of B cells
follicular dendritic cells
cells found in lymph follicles that express complement receptors, Fc receptors, and CD40 ligand. display antigens on the surface for recognition by B cells and are involved in the selection of B cells expressing hihgh affinity membrane immunoglobulin during maturation