B Cells and T Cells (Leaving Cert Biology): Flashcards
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14 cards from this deck
B cell development location
B cell development location
Bone marrow
Antigens recognized by one B cell
Antigens recognized by one B cell
One specific antigen
Plasma B cells function
Plasma B cells function
Produce large quantities of antibodies
Memory B cells role
Memory B cells role
Provide long-term immunity; respond quickly if same pathogen returns
Where T cells complete development
Where T cells complete development
Thymus gland
T cells & antibody production
T cells & antibody production
No, they don't produce antibodies
Helper T cells role
Helper T cells role
Coordinate immune system; stimulate B cells and killer T cells
Killer T cells target
Killer T cells target
Virus-infected cells, cancer cells, abnormal cells
Perforin function
Perforin function
Creates pores in target cell membrane
Suppressor T cells function
Suppressor T cells function
Act as brakes; turn off immune response
Memory T cells lifespan
Memory T cells lifespan
Decades in some cases
Secondary immune response speed
Secondary immune response speed
5 days (vs 14 days for primary)
Type of immunity from B cells
Type of immunity from B cells
Antibody-mediated immunity
Type of immunity from T cells
Type of immunity from T cells
Cell-mediated immunity