The [[blood plasma]]-like fluid, which escapes from the [[capillaries|capillaries]] into the [[extracellular space]], fills the [[interstitial]] ([[extracellular]] spaces depending on [[arterial]]em and [[venous]]em blood pressure, [[tissue pressure]] and [[oncotic pressure|colloidosmotic pressure]]. It is partly collected by the blind ending lymph capillaries of the lymph vessel system and is derived with the support of the [[muscle pump]]. Larger [[lymphatic system|lymphatic vessels]] and [[lymph nodes]] have valves to prevent reverse flow. As it flows through the lymph nodes, the lymph absorbs abundantly [[lymphocytes]]. The lymph vessels unite in the thoracic duct, which opens into the lower [[vena cava]] before the heart.
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The [[Blutplasma/en|blood plasma]]-like fluid, which escapes from the [[capillaries|capillaries]] into the [[Extrazellulärraum/en|extracellular space]], fills the [[Interstitiell/en|interstitial]] ([[Extrazellulär/en|extracellular]] spaces depending on [[Arteriell/en|arterial]]em and [[Venös/en|venous]]em blood pressure, [[Gewebsdruck/en|tissue pressure]] and [[Onkotischer_Druck/en|colloidosmotic pressure]]. It is partly collected by the blind ending lymph capillaries of the lymph vessel system and is derived with the support of the [[Muskelpumpe/en|muscle pump]]. Larger [[Lymphgefäßsystem/en|lymphatic vessels]] and [[Lymphknoten/en|lymph nodes]] have valves to prevent reverse flow. As it flows through the lymph nodes, the lymph absorbs abundantly [[Lymphozyten/en|lymphocytes]]. The lymph vessels unite in the thoracic duct, which opens into the lower [[Hohlvene/en|vena cava]] before the heart.
