Head and Neck Lymphatics Flashcards
fluid is exchanged between _______ and ________
blood and tissues
fluid containing nutrients leaves blood in capillaries and enters the _________ _______ surrounding cells in a tissue
interstitial fluid
fluid containing waste leaves the interstitial fluid and enters _________
capillaries
waste in capillaries collect into ________ and then _______, which return to the heart
venules
veins
excess interstitial fluid enters the _______ ________, becoming lymph
lymphatic system
the lymphatic system delivers lymph to ________
blood
lymph flows into larger ________ _________ towards the trunk of the body
lymphatic vessels
as lymph travels through the lymphatic system, it gets filtered through ________ ________ along the way
lymph nodes
lymph vessels eventually collect into ducts that empty lymph into the _________ _________
blood circulation
lymph is returned to __________ blood
venous
what two ducts empty lymph into the blood where the subclavian veins merge with internal jugular veins
right lymphatic duct and thoracic duct
what type of organ are lymph nodes
secondary lymphoid organs
lymph nodes are bean shaped structures containing collections of ___________ and _________
lymphocytes and macrophages
lymph nodes are grouped in clusters along collecting __________ _________
lymphatic vessels
lymph nodes filter toxic products from the lymph to prevent their entry into the _______ _________
vascular system
lymph flows into the lymph nodes via ________ __________
afferent vessels
lymph flows out of the nodes through a _________ _______ ________
single efferent vessel
enlargement of a lymph node
lymphadenopathy