Anatomy: Chapter 23

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Author:
gweenbott
ID:
94307
Filename:
Anatomy: Chapter 23
Updated:
2011-07-17 14:43:51
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anatomy
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Description:
Lymphoid system
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  1. List three functions of the lymphatic system.
    • 1. produce, maintain, and distribute lymphocytes.
    • 2. maintain normal blood volume.
    • 3. transport dietry lipids.
  2. The lymphatic network is not a circuit. Where does it begin and with what vessels?
    • - in cardiovascular capillary network
    • - lymphatic capillaries
  3. There really isn't any pressure in lymphatic vessels, so like veins they have _______.
    valves.
  4. Match the two major lymphatic vessels to their drainage areas.

    1. lower body and left upper body
    2. right upper body
    • 1. thoracic duct
    • 2. right lymphatic
  5. Where do they drain lymph back into our cardiovascular system?
    junction of subclavian and internal jugular vein.
  6. In various areas of the body we find aggregations of lymphacytes in a reticular connective tissue framework. What is the general term for these aggregations?
    lymphoid nodules
  7. Name that tonsil:

    single, located in superior nasopharynx
    pharyngeal tonsil
  8. Name that tonsil:

    paired, located on each side of the posterior oral cavity
    palatine tonsils
  9. Name that tonsil:

    paired, located on the base of the tongue
    lingual tonsils
  10. What lymphatic organs are small, oval organs up to 1 inch in diameter filter lymph and house macrophages and lymphocytes and in what 3 regions are they most noticeable?
    • lymph nodes
    • -cervical, axillary, linguinal
  11. What lymphatic organ lies in far upper left of the abdomen and removes abnormal blood cells, stores iron, and initiates an immune system response to antigens found in the blood?
    Spleen
  12. What endocrine gland, found behind the sternum, produces mature T-lymphocytes?
    thymus

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