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  • Title: Study of intussusceptive angiogenesis in inflammatory regional lymph nodes by scanning electron microscopy.
    Author: Rossi-Schneider TR, Verli FD, Marinho SA, Yurgel LS, De Souza MA.
    Journal: Microsc Res Tech; 2010 Jan; 73(1):14-9. PubMed ID: 19526518.
    Abstract:
    The aim of the present study was to verify the occurrence of intussusceptive angiogenesis in blood vessels from submandibular lymph nodes responsible for lymphatic drainage of the tongue. A surgical wound inflicted on the ventral tongue of male Wistar rats and submandibular regional lymph nodes were evaluated at different postoperative periods. Scanning electron microscopy (SEM) was used to observe 123 lymph nodes at times 2, 3, 7, 10, 14, and 21 postoperative days. During the analysis of the vascular models with SEM, intussusceptive angiogenesis was observed in all groups evaluated. This was more extensive on the second and third postoperative days (83.33% and 80%, respectively), representing in these groups the expansion of the vascular chain of lymph nodes. At 21 postoperative days, intussusceptive angiogenesis (42.85%) was suggestive of vascular remodeling.
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