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61 Cards in this Set

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Organs of the Immune system



How many categories?

2



List

Primary lymphoid and Secondary lymphoid organs
Organs of the immune system



2 Categories

Primary



Secondary lymphoid organs

Organs of the immune system



___________




Secondary lymphoid organs

Primary lymphoid organs



How many?

2
Primary lymphoid organs



How many?

2



List

Thymus



Bone marrow

2 Primary lymphoid organs
Thymus





Bone marrow

2 Primary lymphoid organs





___________


Bone marrow

Thymus



What occurs in this organ?

T Cell development
2 Primary lymphoid organs



Thymus




What occurs in this organ?

T cell development
2 Primary lymphoid organs



Thymus




_________________

Bone marrow



What occurs in this organ?

B cell development
2 Primary lymphoid organs



Bone marrow

B cell development
Organs of the immune system



Primary




______________

Secondary lymphoid organs



How many examples?

2
Secondary lymphoid organs



How many examples?

2



List

Spleen



Lymph nodes

Secondary lymphoid organs



2 examples

Spleen



Lymph nodes

Secondary lymphoid organs



What occurs in these organs?

Contact with Ag



Lymphocyte activation

Secondary lymphoid organs



What occurs in these organs?




2

Contact with Ag



Lymphocyte activation




Review: 2 examples of secondary lymphoid organs

Spleen



Lymph nodes

B lymphocytes, what do they develop into?
Plasma cells



What do they make?

Ab
Plasma cells



What do they make?

Ab



Made by ______, which are derived from ________

Plasma cells



Derived from B lymphocytes

T lymphocytes



How many main functions?

2



List

Cell-mediated immunity



Regulate immune response

T lymphocytes



2 functions

Cell-mediated immunity (Direct/Indirect role?)



Regulate immune response

Direct role
T lymphocytes



_______________


Regulate immune response

Cell-mediated immunity



Role?

Direct role
T lymphocytes



Direct role in cell-mediated immunity




Cells involved




How many?

2



List

CTL


TH1

Direct role in cell-mediated immunity



2 Cells are involved

CTL



TH1

Direct role in cell-mediated immunity



2 Cells are involved




_____



TH1

CTLs



What do they do?

Lyse virus-infected and tumor cells
CTLs



What do they do?

Lyse virus infected and tumor cells
Direct role in cell-mediated immunity



2 Cells are involved




CTL




______________

TH1



What do they do?

Produce cytokines



Type IV hypersensitivity

TH1



What do they do?

Produce Cytokines



Type IV hypersensitivity

T lymphocytes



Direct role in cell-mediated immunity




___________________

Regulate immune response



How many cells are involved?

3
T lymphocytes



Regulate immune response




How many cells are involved?

3



List

TH1



TH2




T reg

T lymphocytes



Regulate immune response




3 cells involved

TH1



TH2




T reg

T lymphocytes



Regulate immune response




_______




TH2


T reg

TH1



Function

Help cell-mediated responses
TH1



Function

Help Cell-mediated responses
T lymphocytes



Regulate immune responses




TH1




______



Treg

TH2



Function

Help Ab responses
T lymphocytes



Regulate immune responses




TH2

Help AB resposes





Review: TH1

Help Cell-mediated response
T lymphocytes



Regulate immune responses




TH1



TH2




______

Treg



Function

Suppress immune response
Treg



Function

Suppress immune response





Function of TH2

Help Ab responses
NK cells



Lymphocytes?

Y



Function

Destroy virus-infected and tumor cells
NK cells



Function

Destroy virus-infected and tumor cells



Same as?

CTL
M and DC cells



Full name

Macrophages and Dendritic Cells



How many functions?

2
M and DC cells



How many functions?

2



List

Phagocytosis and killing of foreign material



AP to T cells in humoral and cell-mediated immune response

M and DC cells



2 Functions

Phagocytosis and killing of foreign material



AP to T cells in humoral and cell-mediated immune response

PMN



Full name

Polymorphonuclear cells



How many?

3
PMN



How many?

4




List

Neutrophils



Eosinophils




Basophils and Mast cells

PMN



________________




Eosinophils




Basophils and Mast cells

Neutrophils



Major role in?

Innate defenses and inflammation
Neutrophils



Major role in?

Innate defenses and inflammation



Function of neutrohpils

Phagocytosis and killing of foreign Ag
Neutrophils



Function

Phagocytosis and killing of foreign Ag



Neutrohils play a major role in?

Innate defenses and inflammation
PMN



Neutrohils




___________




Basophils and Mast cells

Eosinophils



Major role in?

Parasitic infections



Allergic reactions

Eosinophils



Major role in?

Parasitic infections



Allergic reactions






Functions of eosinophils

Phagocytosis and killing
Eosinophils





Functions

Phagocytosis and killing



Major role of eosinophils

Parasitic infections
PMN



Neutrophils




Eosinophils




_______________

Basophils and mast cells



Major role in?

Allergic rxns
Basophils and mast cells



Major role in?

Allergic rxns
Location of isotopes on Ig
Some (1) in CL, meaning



Most (3) in CH, meaning

Constant light chain

Notes: 1/2




Constant Heavy


Notes: 1/2

Location of allotypes on Ig
Some (1) in CL



Some (3) in CH

Location of idiotypes
All are in VL and VH



Distribution?

VL: 2



VH: 3

Idiotypes are found in CL?
N



Where they are found?

VL



VH

Idiotypes are found on CH?
N



Where they are found?

VL



VH

Idiotypes are found in VL?
Y



They are found on CL?

N
Idiotypes are found on VH?
Y



They are found on CH?

N
Primary vs. secondary antibody responses



Similarities

First: IgM



Second: IgG






HIgher total Ab titers?

Secondary
Primary vs. secondary Ab responses



differences

Secondary





Shorter Lag




Higher IgG titers




Persistence of IgG over time

Primary vs. secondary Ab responses





Lag?

secondary is Shorter



IgG titers

Higher
Primary vs. secondary Ab



IgG titers

Secondary is higher
Primary vs. secondary Ab



Persistence of IgG over time

Secondary