High endothelial venules, or HEVs, are a subtype of blood endothelium present within lymph nodes; used by various leukocytes to gain entry into the lymph node via the blood. The HEVs are made up of cuboidal endothelial cells, with various receptors to allow entry/rolling interactions between leukocytes and the endothelium. The endothelium is the layer of thin, flat cells that lines the interior surface of blood vessels, forming an interface between circulating blood in the lumen and the rest of the vessel wall. ... Lymph nodes are components of the lymphatic system. ... White Blood Cells is also the name of a White Stripes album. ... Receptor may refer to: In telecommunication, a receiver. ...
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