THE LIVER LYMPHATICS AS A MIGRATORY PATHWAY OF MACROPHAGES FROM THE SINUSOIDS TO THE CELIAC LYMPH-NODES IN THE RAT

被引:16
作者
MATSUNO, K
MIYAKAWA, K
EZAKI, T
KOTANI, M
机构
[1] Department of Anatomy, Kumamoto University Medical School, Kumamoto
关键词
D O I
10.1679/aohc.53.Suppl_179
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
A migratory pathway of macrophages as well as lymphatic communications from the liver to the celiac lymph nodes were studied both macroscopically and histologically. The injection of gelatinized carbon into the porta hepatis revealed a new pathway of the liver lymphatics running independently of the portal vein in addition to the ordinary periportal lymphatics. By obstruction of the efferent lymph flow of the celiac nodes and immunostaining with a monoclonal antibody to lymphatics, perilobular lymphatic vessels in the portal tract was readily demonstrated. It was suggested that heavily carbon-laden (HC) macrophages had migrated from the sinusoid into the interlobular connective tissue by 6 h after an intravenous injection of carbon, and then entered the lymphatic vessels of the portal tract. By 9 h to 12 h after carbon injection, HC macrophages started to migrate into the celiac nodes via the two lymphatic pathways. From the marginal sinus in the celiac nodes, they moved into the inter-follicular area of the superficial cortex, then accumulated in the paracortex by 12 h to 24 h. They finally ended up in the corticomedullary junction. Migrating HC macrophages showed morphological homogeneity. The liver lymphatic pathway in the rat and a significance for the translocation and function of migrating macrophages were discussed. © 1990, International Society of Histology and Cytology. All rights reserved.
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页码:179 / 187
页数:9
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