Lymphatic System

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Lymphatic System
2012-04-28 19:43:00
Lymphatic System

Anatomy final
Show Answers:

  1. How much fluid remains in the interstitial space every day?
    3 liters
  2. What are the three lymphatic structures?
    T-lymphocytes, B-lymphocytes, and macrophages
  3. What is the network of the lymphatic circulation?
    capillaries, vessels, trunks, ducts
  4. Is the right lymphatic duct or the thoracic duct larger?
    thoracic duct, all except right arm and right side of head and chest
  5. Where does the thoracic duct start?
    from the cisterna chyli, anterior to L2, and travels up anterior to the vertebral bodies and drains into the junction of the left subclavian vein and the left internal jugular vein
  6. What are two examples of lymphatic nodules?
    • MALT: (mucosa-associated lymphatic tissue) prominent in mucosa of small intestine, primarily in the ileum, where peyer patches can be troublesome
    • Tonsils: pharyngeal (ademoids), palatine, lingual
  7. What are three lymphatic organs?
    • Thymus: large in infants, T-lymphocyte maturation only when young, once an adult by cell division only
    • Lymph nodes: axillary found in armpit (receives lymph from breast, axilla and upper limb. Inguinal found in groin. Cervical found in neck. Used to filter antigens and initiate immune response when necessary.
    • Spleen: largest lymphatic organ in the body. Used as a blood reservoir
  8. What is it called when cancerous cells travel through the lymph system?
  9. What the spot where blood vessels and nerves enter the spleen?