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Lymphatic System (Diseases (Adenitis (inflammation or infection of lymph…
Lymphatic System
Diseases
Adenitis
inflammation or infection of lymph nodes
Hodgkin's Disease
Cancer of lymph nodes
Lymphangitis
inflammation of lymphatic vessels
Splenomegaly
enlargement of spleen
Tonsillitis
inflammation or infection of tonsils
what is does
works with circulatory system
removes waste and fluids from body
lymph is watery fluid made of intercellular or interstitial fluid
when fluid enters lymphatic system it becomes lymph
Lymph Nodes
located throughout, usually in groups
lymph vessels bring lymph to the nodes
nodes filter the lymph
the purified lymph goes to large lymphatic vessels called
Right Lymphatic Duct
empties into right subclavain vein
short tube receives lymph from head, neck, right chest and arm
Thoracic Duct
empties into left subclavain vein
much larger drains the rest of the body
Organs
Spleen
produces leukocytes and antibodies
destroys old RBC and thrombocytes
filters metabolites and body tissue waste
Thymus
mass of lymph tissue
atrophies after puberty
early in life produces antibodies and lymphocytes
taken over by lymph nodes
Tonsils
masses of lymphatic tissue that filter interstitial fluid
three types
palatine
pharyngeal
lingual
lymphatic vessels
located throughout body
small open ended lymph vessels act like drain pipe
contraction of skeletal muscles is what allows lymph movement
Lacteals
in small intestine are special lymphatic capillaries called lacteals
pick up digested fats
when lymph is mixed with the fat or lipid its called chyle