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19 Cards in this Set
- Front
- Back
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What are the 3 functions of the lymphatic system? |
1. Fluid balance 2. Protection 3. Absorption of fats |
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What are the 2 differences between blood capillaries and lymphatic capillaries? |
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What kind of system is the lymphatic system? |
A one-way system |
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Where does the lymphatic system begin? |
Begins in the tissues |
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Where does the lymphatic system end? |
Ends in the bloodstream |
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What causes the lymph to move toward the heart? |
* Valves in the lymphatic vessels * Contraction of the lymphatic vessels * Skeletal muscle contraction * Breathing |
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Where is lymphoid tissue located? |
1. Palatine tonsil 2. Pharyngeal tonsil 3. Lingual tonsil 4. Thymus 5. Spleen 6. Peyer patch 7. Small intestine 8. Appendix |
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Where are the lymph nodes located? |
1. Cervical nodes in the neck 2. Axillary nodes in the armpit 3. Tracheobronchial in the chest area 4. Mesenteric nodes in the abdomen and intestines 5. Inguinal nodes in the groin |
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What are the 4 functions of the spleen? |
1. Filters the blood 2. Destroys old red blood cells 3. Produces red blood cells before birth 4. A reservoir for blood |
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Splenomegaly |
Enlargement of the spleen accompanying certain acute infectious diseases, i.e. mono, scarlet fever, typhus and typhoid fever |
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What are the functions of the thymus? |
*. Plays a key role in early immune system development *. Produces thymosin: develops T-lymphocyte cells, promotes lymphocyte growth, and promotes lymphoid tissue activity *. Shrinks after puberty |
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What is the function of the tonsils? |
Protect against ingested or inhaled contaminants and to remove contaminants. |
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What are the names of the tonsils? |
* Palatine tonsils * Pharangeal tonsils * Lingual tonsils. |
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What is the lymphoid tissue that is part of your intestines? |
Peyer patches |
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M.A.L.T. |
Mucosa associated lymphoid tissue prevents microorganisms from invading deeper tissues. |
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Lymph from the arm and breast passes through what node? |
Axillary node |
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Name disorders of the lymphatic system and tissue |
* Lymphadenopathy * Lymphadenitis * Infectious mononucleosis * Lymphedema : Elephantitis * Splenomegaly * Lymphoma: Hodgkin and non-hodgkin lymphoma |
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Hodgkin Lymphoma |
A chronic malignant disease of lymphoid tissue, especially in the lymph nodes. Reed-Sternberg cells are present. |
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Non-Hodgkin Lymphoma |
More widespread throughout the body than Hodgkin |
