18 Lymphatic and Immune Systems Flashcards
How much fluid is captured by lymph system per day?
3 liters
What is the function of the lymph system?
Return leaked plasma to the blood stream transport dietary lipids house lymphocytes generate immune response increase lymphocyte population
What are the types of lymph vessels from smallest to largest?
Lymph capillaries
Lymphatic vessels
Lymphatic trunks
Lymphatic ducts
What fluid do lymphatic capillaries pick up? What is it called once it enters the capillaries?
Interstitial fluid? Called lymph once it enters the capillaries
What is GI lymph called?
Chyle
What is a lacteal?
A special lymphatic capillary that absorbs dietary lipids in the GI tract.
What structures don’t have lymphatic structures?
Red Bone Marrow
CNS
Avascular tissues
What structures in lymphatic vessels prevent lymph backflow?
Lymph valves
What are the two classes of lymph vessels?
afferent lymph vessels (flowing towards lymph nodes)
efferent lymph vessels (flowing away from lymph nodes)
What lymphatic duct drains upper left and lower quadrants?
Thoracic duct
What lymphatic duct drains right upper quadrant?
Right Lymphatic duct
What functions do the tonsils serve?
Protect pharynx from infection
What are the three lymphatic organs?
Thymus
Lymph nodes
Spleen
What are the two structural divisions of the thymus?
Cortex and medulla
What does the cortext of the thymus contain?
T-cells and some macrophages
