The lymph node paracortex is the middle layer of the lymph node and is mostly populated by T cells and dendritic cells. The paracortex also contains specialised blood vessels called high endothelial venules which allow lymphocytes to enter the node. [ http://orcid.org/0000-0001-9990-8331 https://www.immunology.org/public-information/bitesized-immunology/organs-and-tissues/lymph-node http://orcid.org/0000-0003-4183-8865 ]