Korean Journal of Veterinary Research 1999;39(5):855-864.
Ultrastructure of hemal node and hemolymph node in Korean native goat
Yeo-sung Yoon1, Jae-won Shin2, Joon-sup Lee1
1Department of Veterinary Histology, College of Veterinary Medicine, Seoul National University
2Department of Veterinary Medicine, Kangwon National University
한국재래산양 혈절과 혈림프절의 미세구조
윤여성1, 신재원2, 이준섭1
1서울대학교 수의과대학 조직학교실
2강원대학교 수의학과
Hemal nodes and hemolymph nodes are lymphoid organs that share morphologic and functional characteristics of lymph nodes and spleens. The aim of the present study was to obtain new informations on the distinct morphological structures of hemal nodes and hemolymph nodes according to ages, and to get the basic data for their functions in Korean native goats. Goats were divided into 5 groups, consisting of 3 animals aged 1, 3, 6, 10 and 12 months, respectively. Ultrastructural features of the organs were observed by transmission and scanning electron microscopes. The sinuses of hemal nodes and hemolymph nodes were lined by endothelial-like reticular cells which had euchromatin-rich nuclei and many cytoplasmic processes, surrounding collagen fibrils. Macrophages containing phagocytosed erythrocytes were often noted in the diffuse lymphatic tissues of hemal nodes and hemolymph nodes. Some mast cells were in contact with the plasma cells near the blood vessel. Hemal nodes and hemolymph nodes had venous sinusal-like vessels which were different from the deep sinus. The lymph vessels with valves were observed in the capsule of the hemolymph node. There were no ultrastructural differences of the organs in the age different groups of the animals. These results suggest that hemal nodes and hemolymph nodes may take part in hemopoiesis, blood filtration and immune reaction in Korean native goats.
Key Words: hemal node, hemolymph node, ultrastructure, transmission elecron microscope, scanning electron microscope, Korean native goat

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