Morphologic structure of lymphatic vessels in anal pecten of rats rectum

    DONG GuoGang, LI YuLan, L YanHong, ZHAO LingHui, LIU HuiDong

    Department of Anatomy, Harbin Medical University, Harbin 150086, China

    【Abstract】 AIM: To observe the distribution and morphologic features of lymphatic vessels in anal pecten of rats rectum and to study the morphological foundation of lymphous transport mechanism of big molecule substance. METHODS: The lymphangial configuration was observed under a light microscope and a transmission electron microscope by using semithin sections and ultrathin sections technique respectively. RESULTS: There were comparatively plentiful capillary lymphatic vessels in the dermal papilla layer, reticular layer, hypodermis and intermuscles. There were many vesicles in the endothelial cells of capillary lymphatic vessels. The three kinds of endothelial cell junctions were overlappingjunctions, embeddingjunctions and endtoendtype junctions. CONCLUSION: The distribution of lymphatic vessels in anal pecten of rats rectum is similar to that in cutis. There are two ways for big molecule substance transporting: vesicle system and openingjunction of endothelial cells. ...... 如果您在使用手机等流览时无法查看或下载全文，可能是被搜索引擎失真“转码”，请点击屏幕最下方的“电脑版”或“原网页”访问。


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