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18 Cards in this Set

  • Front
  • Back
Specific Leukocytes (white blood cells)
lymphocytes (only in spec) which are B and T cells

macrophages: link back to non-specific
What is the Humoral repsonse
B Cells, having to do with bodily fluids. Antigen makes antibodies.
Something that causes a specific immune response and starts the production of antibodies; i.e. virus
what antigens to b cells recognize
small, free-living microorganisms such as bacteria and the toxins that they produce
what antigents t cells recognize
body cells that have gone awry such as cancer cells or cells invaded by viruses. also respond to larger organisms like fungi or parasitic worms.
B Cell Antibody Neutralization
Inactivates toxins on microbes
B Cell Antibody Osporization
Stimulates phagocytosis
Virgin/Resting B Cell
Most of them, move passively through the blood
Plasma B Cell
Very big, die after disease is over, making anti-bodies. Turn into plasma after meeting with antibody
Memory B Cell
Remembers antigen so if the disease cell returns it's quicker to make antibodies. Small # of B cells become memory cells.
Cell mediated response
w/ T-Cells and MHC
Proteins on cells; unique (somewhat like an antibody). All receptors on outsie of membranes. Major Histocompatibility Complex
Molecule found on all body cells and presents to cytotoxic T-Cells.
Very rare. found on cells in immune system only Macrophages and B Cells aka antigen presenting cells.
-presents molecules originatiing outside cells to helper T Cells
T-Cell receptors
Recognize the combo of MHC and antigen
Cytotoxic T Cells
w/it's receptors, recognizes MHC I. Always in blood stream, kill infected or cancerous body cells.
Helper T Cells
w/receptors, recognizes MHC II
found only in some secreted proteins particular to immune system