The Endothelium of the High Endothelial Venule: A Specialized Endothelium with Unique Properties
Georg Kraal, Adrian M. Duijvestijn, Hans R. Hendriks
Abstract
Georg Kraal, Adrian M. Duijvestijn, Hans R. Hendriks
Abstract
High endothelial venules (HEV) in lymphoid organs are specialized to facilitate the passage of lymphocytes into lymphoid parenchyma. This is accomplished by a ligand-receptor system on the endothelium and lymphocytes, which differs between lymph nodes and Peyer's patch. Experiments discussed in this paper show that other non-HEV-derived endothelial cells can acquire the characteristics of HEV and that HEV may differentiate under influences from their local micro-environments.
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High endothelial venules (HEV) in lymphoid organs are specialized to facilitate the passage of lymphocytes into lymphoid parenchyma. This is accomplished by a ligand-receptor system on the endothelium and lymphocytes, which differs between lymph nodes and Peyer's patch. Experiments discussed in this paper show that other non-HEV-derived endothelial cells can acquire the characteristics of HEV and that HEV may differentiate under influences from their local micro-environments.
Key concepts: High endothelial venules, Venule, Endothelium, Lymphatic system, Lymphatic Endothelium, Lymph, Biology, Parenchyma