L1: Lymphatic system

• What are the organ structures involved in the lymphatic system?

  • Lymphatic vessels
  • Lymphatic fluid
  • B cells and T cells
  • Lymph nodes including tonsils
  • Spleen
  • Thymus
• What is the function of lymphatic system?

  Defends against infection and disease; return tissue fluid to the blood stream
• What is the primary function of lymphatic vessels?

  Contractile vessels. Carry lymph fluid and lymphocytes from peripheral tissues to veins of CV system.
• What is the primary function of lymphatic fluids?

  Lipids (fats and fatty acids) from gut; Fluid from tissues
• Primary function of B cells and T cells?

  Cells that carry out an immune response.
• What is the primary function of Lymph nodes??

  Moniter composition of lymph

  Defense: Engulf pathogens

  Stimulate immune response

  E.g. lymphadenopathy
• What is the main function of spleen?

  Moniters circulation blood cells engulfs pathogens.

  Recycle red blood cells

  Produces immune responses, like a large lymph node
• What is the primary function of thymus?

  Controls development and maintenance of the T cell lymphocytes