Lymphocytes

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Author:
mogumel
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274398
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Lymphocytes
Updated:
2014-05-14 05:04:49
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Lymphocytes
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Flashcards consisting of lymphocyte questions
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  1. Lymph nodes contain large numbers of white blood cells called ____ and macrophages, that fight invading microorganisms.
    Lymphocytes
  2. The indented region where blood vessels and nerves join a lymph node is called?
    Hilum
  3. ______ that contains germinal centers are the structural units of a lymph node.
    Nodules
  4. THe spaces within a lymph node are called ____ through which lymph circulates.
    Lymph sinuses
  5. Lymph enters a node through a(an)__________ lymphatic vessel.
    Afferent
  6. The partially encapsulated lymph nodes in the pharynx are called?
    tonsils
  7. The aggregations of lymph nodules found within the mucosal lining of the small intestine are called ______?
    Peyer's Patches
  8. The Lymph nodes in the cervical region are associated with the lymphatic vessels that drain the __________?
    skin, face, nasal cavity, and pharynx
  9. The lymph nodes associated with the lymphatic vessels that drain the lower limbs are located in the  ______ region.
    Inguinal
  10. The thymus is loacted in the ____ anterior to the aortic arch.
    mediastinum
  11. The thymus reaches its greates size during infancy and early childhood and tends to decrease in size following _______?
    Puberty
  12. As a person ages the thymus tissue is often replaced by _________?
    Adipose /or  Connective tissue
  13. The lymphocytes of the thymus develop fromt eh precursor cells that originated in the _______?
    Bone Marrow
  14. The hormone secreted by the thymus are called?
    Thymusins
  15. The ____ is the largest of the lymphatic organs.
    Spleen
  16. Blood vessels enter the spleen through the region called the _______?
    Ilium
  17. The sinuses within the spleen contain _______?
    Blood
  18. The tiny islands (nodules) of the tissue within the  spleen that contain many lymphocytes constitutes the  ______ pulp.
    White
  19. The ____ pulp of the spleen contains large numbers of red blood cells, lymphocytes, and macrophages
    Red
  20. _____ within the spleen engulf and destroy foreign particles and cellular debris.
    Macrophages
  21. Lymphatic pathways begin as ______ that merge to form lymphatic vessels.
    Lymphatic capillaries
  22. The wall of the lymphatic capillary consists of a single layer of ______ cells.
    Squamous epithelial cells
  23. Once tissue (interstitial) fluid is inside a lymphatic capillary, the fluid is called?
    Lymph
  24. Lymphatic vessels have walls similar to those of _____ but thinner.
    Veins
  25. Lymphatic vessels contain ____ that will help prevent the backflow of lymph.
    Valves
  26. Lymphatic vessels usually lead to the lymph _____  That filter the fluid being transported.
    Nodes
  27. The lymphatic trunk that drains the head and her neck is called _______ trunk.
    Jugular Trunk
  28. The lymphatic trunk that drains the abdominal visceral is called the  ______ trunk.
    Interstitial Trunk
  29. The __________ is the larger and longer of the two lymphatic collecting ducts.
    Thoracic Trunk

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