人体淋巴系统课件.ppt

Introduction of lymphology; 淋巴系统 Lymphatic System ;1 回收蛋白质运输脂肪及营养物质 2 清除组织中的红细胞细菌和异物 3 调节血浆和组织液间的液体平衡 4 产生淋巴细胞和浆细胞参与免疫反应;Lymph nodes;A assistant system to the vein 辅助静脉系统回流;Composition;Features of structure: Blind end Single layer of overlapping endothelial cells More permeable than that of blood capillary Absent from avascular structures, brain, spinal cord splenic pulp and bone marrow;Lymphatic vessel 淋巴管;Lymphatic trunks 淋巴干 ;Right lymphatic duct 右淋巴导管 Formed by union of right jugular, subclavian, and bronchomediastinal trunks Ends by entering the right venous angle右静脉角 Receives lymph from right half of head, neck, thorax and right upper limb ;Thoracic duct 胸导管 Begins in front of L1 as a dilated sac, the cisterna chyli 乳糜池, which formed by joining of left and right lumbar trunks and intestinal trunk Enter thoracic cavity by passing through the aortic hiatus of the diaphragm and ascends along on the front of the vertebral column, between thoracic aorta and azygos vein;Travels upward, veering to the left at the level of T5 At the roof of the neck, it turns laterally and arches forwards and descends to enter the left venous angle Just before termination, it receives the left jugular, subclavian and ronchomediastinal trunks ;Thoracic duct 胸导管 ;Lymph node 淋巴结;Regional Lymph Node局部淋巴结 is the lymph node where the lymph of the organ or part of the body drainge to firstly Sentinel Lymph Node前哨淋巴结(in clinic) ;Lymph drainage of the body ;Ⅰ.Lymph drainage of the head头部的淋巴引流 ;Lymph drainage of neck颈部的淋巴引流;;;;The lymphatic drainage of upper limb 上肢的淋巴引流;Axillary lymph nodes 腋淋巴结;The lymphatic drainage of thorax胸部的淋巴引流;The lymphatic drainage of thorax胸部的淋巴引流;;The lymphatic drainage of abdomen 腹部的淋巴引流;;;The lymphatic drainage of pelvis 盆部的淋巴引流;The lymphatic drainage of pelvis 盆部的淋巴引流;lymph drainage of lower limb下肢的淋巴;lymph drainage of lower limb下肢的淋巴;lymph drainage of lower limb下肢的淋巴;Popliteal ln.腘淋巴结 Embedded in the fatty connective tissue of poplitea