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20 Cards in this Set
- Front
- Back
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What are the functions of the lymphatic system? |
Drains excess interstitial fluid Transports dietary lipids Carries out immune responses |
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Parts of the lymphatic system
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Lymph,lymphatic vessels, lymphatic capillaries, red bone marrow, spleen
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Lymphatic Vessels
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resemble small veins thinner walls more valves |
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What is nearly identical to interstitial fluid?
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Lymph
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What helps return fluid and plasma proteins that leaked from capillaries to the blood
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Lymph formation
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What contains many immature T cells in its cotex
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Thymus
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Where do lymph nodes occur?
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In superficial and deep groups along the lymphatic vessels.
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What contains red and white pulp?
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The spleen
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What does white pulp consist of?
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Lymphocytes and macrophages
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What does red pulp do?
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Performs functions related to blood cells
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Where is the spleen located?
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In the left hypochondriac region
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What do lymphatic nodules include?
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Tonsils and Peyer's patches
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What are Peyer's patches?
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The aggregated lymphatic follicles
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What do lymph sacs arise from?
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Mesoderm
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What do lymphatic vessels develop from?
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Lymph sacs
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What do all nonspecific defenses have in common? |
They are present a birth. They work against all potential invaders. They provide immediate protection. They are considered innate defenses. |
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What is the first line of defense against pathogens?
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The skin and mucous membranes
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What are the antimicrobial proteins found in the blood and interstitial fluid?
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Interferon, complement, transferrin
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What prevents viral replication?
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Interferon
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What do natural killer cells do?
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They secrete perforin and granzymes to destroy target cells |
