Three-dimensional reconstruction of lymphatics using a crown-rump length 30 mm human fetus
Research Square (Research Square)(2023)
摘要
Abstract Few lymphatic morphological studies have been conducted to describe human development compared to the number of vascular studies. In this study, serial sections from a 30-mm human fetus were used to observe the differentiation of the lymphatics and blood vessels through D2-40 immunohistochemical staining and three-dimensional reconstruction to reflect the morphological characteristics. We found a connection between the lymphatics of the left jugular lymph sac flowing into the left brachiocephalic vein but not between the thoracic duct (TD) and left venous angle. We found a lymphatic plexus in the sacral region, which was located between L4 and S1. Moreover, a pair of paravertebral longitudinal lymphatics originated near the CC and collected lymphatics that accompanied the posterior intercostal blood vessels and finally flowed into the TD. The left lymphatics had a slightly greater advantage than that of the right lymphatics. In contrast, the venous system on the right had a greater advantage than that on the left. In addition, a pair of paravertebral longitudinal lymphatics may have been described as the thoracic duct.
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关键词
lymphatics,human fetus,three-dimensional,crown-rump
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