Med Term Chp6 Lymphatic/Immune System

  1. adenocarcinoma
    malignant tumor composed of glandular tissue
  2. adenoiditis
    inflammation of adenoid
  3. aneurysmectomy
    surgical removal of an aneursym
  4. angiogengesis
    process through which a tumor supports its growth by creating its own blood supply
  5. anomaly
    deviated from what's considered normal
  6. antibody
    a disease fighting protein created by the immune system
  7. antifungal
    agent that destroys or inhibits growth of fungi
  8. antigen
    substance that the body regards being as foreign
  9. antibiotics
    • medication capable of inhibiting growth
    • killing pathogenic bacterial microorganism
  10. antiviral drug
    used to treat viral infections and to provide temporary immunity
  11. bactericide
    substance that causes death of bacteria
  12. bacteriostatic
    an agent that shows or stops growth of bacteria
  13. complement
    • a group of proteins that normally circulates in the blood in inactive form.
    • the ability of antibodies to ward off pathogens by combining with them to dissolve and remove foreign cells or substance
  14. hemolytic
    destroying old RBCs and releasing hemoglobin for reuse
  15. herpes zoster (shingles)
    • an acute viral infection
    • causes painful skin eruptions that follow underlying route of an inflamed nerve
  16. interferon (T cell)
    • produced in response to the presence of antigens (i.e. virus or tumor)
    • it slows down and/or prevents the production of antigens by signaling other cells
  17. lumpectomy
    surgical removal of only cancerous tissue within normal tissue
  18. lymph node
    • contains specialized lymphocytes capable of destroying pathogens
    • there are three types: cervical, auxillary, and inguinal
  19. lymphadenitis
    inflammation of the lymph nodes
  20. lymphadenopathy
    disease process affecting a lymph node(s)
  21. lymphedema
    abnormal swelling of tissues due to accumulation of lymph
  22. primary lymphedema
    • a hereditary condition that develops with swelling beginning in the feet and progressing into the ankles.
    • usually occurs in females during puberty
  23. secondary lymphedema
    caused by damage to lymphatic vessels that is affected by cancer treatment, surgery, trauma, or burns
  24. lymphocytes
    • a type of leukocyte
    • identifies pathogens and produces specific antibodies specially for the targeted pathogens
    • three types: natural killer cells, B cells, and T cells.
  25. macrophage
    a phagocytic cell that surrounds and engulfs pathogens.
  26. measles
    • an acute highly contagious infection transmitted by respirating droplets of rubeola virus
    • can cause sensitivity to light
  27. metastasis
    new cancer site that results from spreading
  28. metastasize
    cancer spreads from one place to another
  29. mumps
    an acute viral infection that is characterized by causing swelling of parotid glands (salivary gland)
  30. plasma cells
    • develop from B cells
    • secrete a large volume of antibodies code to destroy specific antigens
  31. spirochete
    long spiral shaped bacteria that have flexible walls

    **parasitic worms found in dog poop**
  32. splenomegaly
    an enlargement of the spleen due to bleeding from an injury, a disease, or abnormal condition of the immune system
  33. staphylococci
    • irregular groups or clusters resembling grapes
    • reside on the skin and mucous membrane
  34. streptococci
    • form a chain
    • many are considered harmless but is responsible for strept throat and meningitis
  35. varicella
    • caused by herpe virus
    • also known as chicken pox
    • its high contagious causing fevers, rashes consisting of itchy blisters
  36. what are the three functions of the lymphatic system?
    • absorption of fats and fat soluble vitamins from the small intestine
    • remove waste from tissues
    • assist the immune system (tonsils, lymph nodes, thymus and spleen)
  37. the lymphatic system is known as the _______ ___.
    SECONDARY CIRCULATION for the transportation of lymph throughout the body.
  38. lymph
    • a clear watery fluid which transports proteins and waste products between cells
    • it destroys bacteria and other pathogens in tissues
    • filtered by lymph nodes along lymphatic vessels found throughout the body
  39. does lymph flow in one direction?
    yes! It flows in one direction to the venous circulation from the help of muscular movement and blood vessels.
  40. interstitial fluid
    • is plasma from arterial blood that flows out of the capillaries into spaces between the cells
    • transports food, oxygen, and hormones
  41. how much interstitial fluid is absorbed?
    • 90% is reabsorbed back into the capillaries returning to venous circulation
    • 10% is lymph which is NOT absorbed
  42. lymphatic capillaries
    microscopic and blind ended tubes near the body surface
  43. lymphatic vessels
    • found deep within the tissues
    • have valves to prevent back flow
  44. right lymphatic duct
    • collects lymph from the RIGHT side of the head/neck, the URQ, and right arm.
    • drains lymph into the RIGHT subclavian vein
  45. thoracic duct
    • is considered the LARGEST lymphatic vessel in the body.
    • collects lymph from the LEFT side of head/neck, ULQ, entire lower portion of the trunk, and both legs.
    • drains into the LEFT sublclavian vein
  46. tonsils
    • three masses of lympoid tissue that form a protective ring around the back of the nose and upper throat.
    • prevents pathogens from entering through the nose and mouth
    • three types: adenoids, palatine, and lingual tonsils.
  47. adenoid tonsils (nasopharyngeal)
    located in the nasopharynx
  48. palatine
    located on right and left side of the throat area which is visible to the eye.
  49. lingual tonsils
    located at the base of the tongue.
  50. thymus
    • location: superior to the heart
    • composed of lympoid tissue
    • secretes a hormone that stimulates the maturation of lymphocytes into T cells
  51. spleen
    • a sac like mass of lymphoid tissue in the LUQ of the abdomen
    • filters MO and other foreign material from the blood
    • form lymphocytes and monocytes
    • HEMOLYTIC PROCESS; breakdown of old RBCs and release their hemoglobin for reuse.
    • stores extra RBCs and maintains balance between blood plasma and cells
  52. peyer's patches
    • found in the wall of the ileum (portion of small intestine)
    • lymphoid tissue
  53. appendix
    • found in the lower portion of the cecum (lrg intestine)
    • it provides protection against invaders through the digestive system.
  54. natural killer cells
    • a type of lymphocyte
    • kills cancer cells and viral infected cells
  55. B cells
    • a type of lymphocyte
    • produce antibodies that are most effective to bacteria and viruses that circulate in the blood.
    • destroys pathogens by confrontation with a code which then transform the B cell into plasma
    • mature into plasma cells
  56. T cells
    • a type of lymphocyte
    • play an important role in cell-mediated immunity
  57. what is a lacteal?
    specialized structures (villi) of the lymphatic system that absorbs fats that cannot be transported into the bloodstream.
  58. describe the immune system's first line of defense
    • intact skin with acid mantle; prevents bacteria from harboring on/into the skin.
    • respiratory system; traps foreign matter into nose hairs and mucous membrane lining.
    • digestive system; uses acids and enzymes produced by the stomach to destroy consumed invaders.
    • lymphatic system and WBCs work together to attack and destroy pathogens
  59. macrophage
    large cell that eats foreign matter
  60. cytomegalovirus (CMV)
    large herpes type virus that is commonly found in humans that can cause a variety of disease.
  61. neoplasm
    abnormal formation of cells in the tissue
  62. benign
    not life threatening; not cancerous
  63. malignant
    harmful and capable of spreading; potentially life threatening
  64. what are some substances that control infection?
    • antibiotic
    • bactericide
  65. what are some medications that control infection?
    • bacteriostatic: inhibits the growth of bacteria
    • antiviral
    • antifungal
  66. antigen-antibody reaction
    • involves binding antigens to antibodies
    • also known as immune reaction
  67. tolerance
    an acquired unresponsiveness to a specific antigen
  68. immunoglobulin
    • binds with specific antigens in the antigen-antibody response.
    • there are 5 types.
  69. natural immunity VS. acquired immunity
    • natural immunity:
    • also known as passive immunity
    • it is the resistance to a disease present without the administration of an antigen or exposure to a disease.

    acquired immunity: obtained by having a contagious disease then receiving immunization against it for protection. i.e. vaccine
  70. bioimpedance spectroscopy
    a noninvasive method of Dx lymphedema
  71. systemic reaction
    • also known as anaphylatic shock
    • a severe response to an allergen
  72. HIV- human immunodeficiency virus
    a bloodborne infection in which the virus damages or kills the T cells of the immune system.
  73. opportunistic infection
    • caused by a pathogen that does not normally produce an illness in health humans
    • example: kaposi's sarcoma
  74. AIDS- acquired immunodeficiency syndrome
    most advanced form and fatal stage of HIV
  75. immunosuppression
    Tx to repress or interfere with the ability of the immune system to respond to the stimulation of antigens.
  76. immunosuppressant
    • a substance that prevents or reduces the body's normal immune response.
    • administered to transplant recipients and those who have autoimmune disorders.
  77. corticosteriod drug
    hormone-like preparation given primarily as an anti-inflammatory and as an immunosuppressant.
  78. cytotoxic drug
    • a medication that kills or damages cells.
    • used as an immunosuppressant.
Card Set
Med Term Chp6 Lymphatic/Immune System
lymphatics immune system