A network of blunt ended vessels lacking direct connection to the blood vascular system. These vessels collect and drain fluids and macromolecules from interstitial spaces throughout the animal. They derive from a subpopulation of endothelial cells and have walls that are much thinner than the blood carrying vessels. Lymphatic vessels are usually classified as either superficial or deep.
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exact_synonym:
lymphatic trunks and ducts; lymphatic vasculature; lymphatic vessel network; lymphatic vessels set; set of lymphatic vessels; trunci et ductus lymphatici