Lymphatic System Flashcards
Lymphatic system
vast collection of cells and biochemicals that travel in lymphatic vessels.
L.S helps
circulate bodily fluids (C.S)
L,S second function
enables us to live in world with different organisms
Lymph capillaries
micr closed ended tubes that allow fluid to enter
lymphatic vessels
like veins, prevent backflow of lymph
lymph nodes
vessels drain into the nodes
lymphatic trunks
drain lymph from L vessels
Thoracic duct
collects lymph from lower limbs abs left side of body head and neck
Right Lymphatic Duct
lymph on right side of body
Order of lymph movement
capillary affarent vessel node efferent vessel trunk collecting duct subclavian vein
Removing Lymphatic tissue
can obstruct drainage from the upper limb, causing edema
Lymph nodes contain
B and T cells and macrophages
hilum
lymphatic vessels leading to a node
tonsils
partially encapsulated lymph nodes
1st function of Lymph nodes
filtering harmful particle from blood stream
2nd function of Lymph nodes
monitoring body fluids
thymus
soft bilobed gland enclosed in connective tissue and located anteriorly of the aorta and posterior to the upper sternum
T lymphocytes
leave thymus and provide immunity