part of part of endothelial cell of lymphatic vessel dermis lymphatic vessel endothelial cell 2014-06-04T15:15:08Z A dermis lymphatic vessel endothelial cell is a specialized type of cell that lines the interior surface of lymphatic vessels present in the dermal layer of the skin. These cells are organized into a single layer, forming an integral part of the lymphatic system which acts as the body's secondary circulatory system. The primary function of dermis lymphatic vessel endothelial cells is to facilitate the transportation and regulation of the lymph fluid within the dermis. They act as a barrier, contributing to fluid homeostasis, lipid transport, and immune cell trafficking. These cells are uniquely equipped to let fluid and larger molecules, including proteins and immune cells, into the lymphatic vessels from the surrounding interstitial space. This is enabled by the specialized junctions between the endothelial cells and the presence of primary lymphatic valves that prevent the backflow of lymph. Another paramount role of dermis lymphatic vessel endothelial cells is their involvement in immune response. By interacting with white blood cells, especially T-cells and dendritic cells, they can mediate local immune surveillance and contribute to both innate and adaptive immune responses. These cells are also implicated in a variety of pathological conditions, including lymphedema and metastasis in cancer. (This extended description was generated by ChatGPT and reviewed by the CellGuide team, who added references, and by the CL editors, who approved it for inclusion in CL. It may contain information that applies only to some subtypes and species, and so should not be considered definitional.) Any endothelial cell of lymphatic vessel that is part of a dermis. https://cellxgene.cziscience.com/cellguide/CL_2000011 CL:2000011 dermis