Study

A&P Lymphatic System #1

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  • Lymph enters _______ through four different lymph vessels and then leaves _______, through one efferent lymph vessel
    nodes, filtered
  • _____ of lymph vessel walls is more loosely packed than that of blood vessel walls, so more can pass into them.
    endothelium
  • What is the largest lymph organ in the body?
    spleen
  • R_____ L_____ D____ - drains all lymph from upper right quadrant of body
    right lymphatic duct
  • What is a mass of lymph tissue serving as the first line of defense from the exterior?
    tonsils
  • The lymph empties what 3 things from the body
    bacteria, cancer cells, damaged tissue cells
  • Thymus is important in development of specialized lymphocytes called what?
    T Cells
  • What helps to protect against invading bacteria in and around oral/nasal cavities
    tonsils
  • What salvages iron found in hemoglobin for future use
    spleen
  • This duct drains lymph from other 3/4 of body (largest lymph vessel in the body)
    thoracic duct
  • What is lymph?
    specialized fluid formed in the tissue spaces that returns excess fluid and protein molecules to the blood.
  • What happens to the spleen when someone is ill?
    it becomes enlarged
  • Lymph is a circulating fluid that works alongside the ______ to help to maintain homeostasis
    blood
  • The spleen serves as a blood reservoir - it can contain more than how much blood at any one time
    1 pint, 500mL
  • The tonsils are subject to chronic infection and may need to be removed via this procedure
    tonsillectomy
  • Lymph vessels only go one way - which way?
    toward lymph nodes
  • What is the small endocrine gland located in the mediastinum
    thymus
  • what are the filtering clusters that perform biological filtration of lymph on its way to the circulatory system?
    lymph nodes
  • Where are the tonsils located?
    under mucus membranes in the mouth and back of throat