Lymphangion

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The lymphangion is the part of a lymphatic vessel that lies between two valves. Similar to the veins , these are to be regarded as a duplication of the endothelial cell layer . The lymphangion has a longitudinal and a ring-shaped musculature. This layer is supplied by numerous nerve endings that are connected to the vegetative nervous system . These nerves belong to the parasympathetic network and stimulate the lymphangion to contract (10 to 12 times per minute at rest) and thus ensure the further transport of the lymph . Because of these contractions, the lymphangion is also known as the "lymph heart".

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