Abstract
An: 2014, Nr.2, Articol Nr. 1
Title: 

NON-HILAR TRANSCAPSULAR VENOUS CONNECTIONS IN THE PULMONARY LYMPH NODES

Authors: 

      I. Mîndrilă, D. Pirici, O. M. Mărginean, B. Căpitănescu, P.R. Melinte - University of Medicine and Pharmacy of Craiova, Department of Morphological Sciences
      NON-HILAR TRANSCAPSULAR VENOUS CONNECTIONS IN THE PULMONARY LYMPH NODES (Abstract): The present knowledge on the vascular supply of large mammals’ pulmonary lymph nodes reveals the presence of non-hilar arteries that penetrate the lymph node capsule into the lymphoid tissue. Few data are currently available about lymph node transcapsular venous connections. By using conventional methods of microscopic dissection coupled with colored gelatin injection and enzymatic and fluorescent immunohistochemistry, we studied on human lungs collected during forensic necropsy of sudden death cases, the detailed anatomy of the pulmonary lymph node venous compartment and its extranodal communications. Microscopic dissections identified a nodal surrounding venous plexus drained by pulmonary veins and branches of the intranodal perifollicular venules that penetrate the subcapsular sinus and form tightly coupled networks towards the outer surface of the pulmonary lymph node capsule, and towards afferent and efferent lymphatic vessels. Histological details of transcapsular venous connections of the pulmonary lymph node imaged by enzymatic and fluorescent immunohistochemistry revealed some morphological particularities that resembled those of the high endothelial venules (HEVs).
Key words: ANTHRACOSIS, HIGH ENDOTHELIAL VENULES, PULMONARY LYMPH NODE, PULMONARY VEINS, VENOUS CONNECTIONS
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