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KMID : 0357419860160020099
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Korean journal of Virology
1986 Volume.16 No. 2 p.99 ~ p.104
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Structure of hemolymph node in WKY rats
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이호왕
백낙주/주용규/강병남
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Abstract
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It has been known that hemolymph node is one of the lymphoid organs found normally in ruminants and some rodents, and this organ shares morphological and functional characteristics of lymph node and spleen. To clanify the rigorous definition of morphological structures and functions of the hemolymph node in Wistar Kyoto(WKY)rats, we examined these organs of WKY rats gross anatomically and light microscopically. The hemolymph nodes were normally found in the abdominal cavity and in the neck of WKY rats. This organ was surrounded by a thin connective tissue capsule and there was a hilus. The parenchyma comprised a cortex of lymphatic nodules and diffuse lymphatic tissues, and a medulla of diffuse lymphatic tissues arranged in cords. Afferent and efferent lymph vessels were observed but there was no extensive subcapsular and medullary sinuses. These sinuses were filled with erythrocytes. The stroma of hemolymph nodes was composed of reticula cells and fibers, and many lymphocytes, granulocytes, erythrocytes, plasma cells, macrophages and megakaryocytes were supported by the reticular network. The above findings suggest that the hemolymph nodes of WKY rats may take part in blood formation, blood filtration and immune reaction.
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KEYWORD
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hemolymph node, WKY rat, gross anatomy, histology
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