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==Formation==
 
==Formation==
Ly mph is formed by the filtration of interstitial (tissue) fluid into lymphatic capillaries. Lymphatic capillaries are more permeable than there blood counterparts and thus allow proteins to enter them.
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Lymph is formed by the filtration of interstitial (tissue) fluid into lymphatic capillaries. As fluid enters the tissue space from the blood stream pressure builds up in this space and as this hydrostatic pressure increases it causes the interstitial fluid to diffuse into the lymphatic capillaries once the interstitial fluid has entered the lymphatic capillaries it is called lymph. Lymph has a similar composition to blood plasma however lymphatic capillaries are more permeable than blood capillaries to proteins and this means that lymph has a higher concentration of proteins.
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==Composition==
 
==Composition==
 
Lymph has a similar composition to blood plasma but has a higher concentration of protein.
 
Lymph has a similar composition to blood plasma but has a higher concentration of protein.