Lymphatic/immune Flashcards
Interstitial fluid (lymph)
Fluid that surrounds body cells
Lymph nodes
Clusters of lymph tissue; produce lymphocytes, filter lymph, and trap harmful substances
Macrophages
Phagocytose foreign substance
B lymphocytes (B cells)
Produce antibodies; mature in the bone marrow
T lymphocytes (T cells)
Attack bacteria and foreign cells; originate in the thymus gland; recognize and remember antigens attacking stronger each time
Lymph capillaries
Smallest lymphatic vessels. Found in tissue spaces
Spleen
Destroys old red blood cells, filters microorganisms out of blood, activates lymphocytes during filtration,stores blood
What are the spleen and thymus gland made of?
Lymph tissue
Is the thymus larger in kids or adults? Why?
Kids b/c need to build effective immune system
Adaptive immunity
Active
How would you acquire active immunity?
Vaccination, stem cell transplant, having an infection
Natural immunity
Passive
How do you acquire passive immunity?
Antitoxins, immunoglobulins, maternal antibodies
Vaccines
Contain antigens from the patients tumor cells; stimulates T cells to kill cells active immunotherapy
Dendritic cells
Cultured and exposed outside the body and reinfused